Trichoplax adhaerens is a small, flattened, and ciliated animal belonging to Placozoa phylum. Its body is a few millimeters in size and has a simple, two-layered structure, with an outer layer of cover cells and an inner layer of cylinder cells.
Thus, the different structures of Trichoplax adhaerens include dorsal surface which is the upper surface facing upward. Then, cover cells are present which is the outermost layer of cells that cover the animal body.
Ventral surface in Trichoplax adhaerens is the lower surface of the animal facing downward. Cylinder cells are the inner layer of cells lining the digestive cavity of the animal.
Gland cells are the cells that secrete enzymes for digestion in Trichoplax adhaerens. Fiber cells help to maintain the shape of the animal and cilia are hair-like structures covering the surface of the animal.
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In several fresh water lakes, grouos of sticklebacks were physically cut-off from the ocean population. This prevented the groups from interbreeding, and the freshwater populations gradually changed over time. How were they isolated? What were subpopulation changes
The isolation of stickleback populations from the ocean likely occurred through a process called allopatric speciation, which can happen when a physical barrier, such as a mountain range or a body of water, separates a population into two or more groups that can no longer interbreed.
As the subpopulations of sticklebacks continued to evolve separately, they likely became more genetically distinct from each other and from the ocean population. This could eventually lead to the formation of new species if the differences between the groups became significant enough that they could no longer interbreed, even if they were reintroduced.
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Day 1
Draw a line to match the vocabulary term to its definition.
Stomata
food
Photosynthesis
Carbon Dioxide
Oxygen
a. the process through which plants create their own
b. finy pores in a leaf
c. the gas that enters a plant for photosynthesis
d. the gas released from a plant during photosynthesis
Answer:
Carbon Dioxide : C
Oxygen : D
Stomata: B
Photosynthesis: A
Explanation:
Carbon dioxide is absorbed by a plant through the stomata on the underside of the leaves, these are little holes that take in the air. Then, the leaf does a process called photosynthesis, in which food for the plant and oxygen are created. The oxygen goes back into our atmosphere.
a. Draw up an identification key (dichotomous key) in a brief outline for the differentiation of ALL
the Protozoa you have studied
We can see that brief outline for a dichotomous key to differentiate a protozoa:
Does the protozoa have cilia?Is the cilia evenly distributed over the entire body surface?Does the protozoa have flagella?What is dichotomous key?In biology, a dichotomous key is a tool used to identify and classify organisms depending on their properties. It is a series of questions or statements ordered in a certain order, with just two viable responses to each question.
The dichotomous key is known to be based on the principle of "divide and conquer". In this, it is seen that the characteristics of an organism are progressively divided into smaller and smaller groups until a unique identification is achieved.
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In many US cities and suburban areas, street gangs account for approximately 50 to 90 percent of the violent crimes committed.
O A.
OB.
True
False
Answer:
False
This statement is not entirely true. While street gangs can be responsible for a significant portion of violent crimes in some US cities and suburban areas, the percentage varies greatly depending on the location. According to the National Gang Center, some cities report that street gangs account for as little as 5% of violent crimes, while others report up to 90%. Therefore, it is not accurate to make a blanket statement that street gangs account for approximately 50 to 90 percent of violent crimes in all US cities and suburban areas.
Which of the following are functions of the sinuses? (Select all that apply.) warm and moisten air move mucous with the aid of tiny hairs trap bacteria and dust in mucous cause the sounds we make to be fuller and richer
The tissue lining your sinuses becomes inflamed or swollen when you have sinusitis.
Thus, Your face has structures called sinuses that are usually air-filled. They can get irritated by bacterial infections, viral infections, and allergies, which can lead to them becoming blocked and fluid-filled.
Your face may feel tight and painful, you may have a stuffy nose, and other symptoms as a result.
The four paired cavities (spaces) in your skull are called sinuses. They are connected by little tunnels. Mucus produced by the sinuses leaks out of the nasal passages. This drainage aids in maintaining a healthy nose free of bacteria, allergies, and other pathogens.
Thus, The tissue lining your sinuses becomes inflamed or swollen when you have sinusitis.
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Natalie's parents keep pushing her to find a job, but she has not had much luck. She spends her time searching the internet for work, but nothing
sounds interesting to her, so she rarely fills out an application. She has heard from friends that jobs are tough to find. When she did manage to get an
interview, she showed up half an hour late. Is a person-blame approach appropriate in this case?
OA. No, her friends are having trouble finding jobs as well.
B. Person-blame approaches rarely account for the full situation.
O
C. Yes, Natalie is not doing much to actually land a job.
O D. There is not enough information to determine the approach.
The truth is that B. Person-blame approaches rarely account for the full situation.
What is person - blame ?Attributing all responsibility for Natalie's unemployment to her supposed lack of effort is flawed as it dismisses the existence of structural and systemic influences that could be integral to her present condition.
Therefore, it would not be a reasonable plan to adopt an approach that only fixates on holding Natalie accountable. A broader comprehension of the situation is required which takes into account multiple factors capable of contributing towards findings jobs in order to tackle this issue effectively.
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the upstairs in a house is usually warmer than downstairs.this is due to what type of heat transfer
Heat transfer is the term used to describe the movement of heat (thermal energy) caused by temperature differences and the subsequent distribution and variations in temperature.
The generation, utilization, conversion, and exchange of thermal energy (heat) across physical systems is the subject of the thermal engineering field known as heat transfer.
Different heat transmission techniques, including thermal conduction, thermal convection, thermal radiation, and energy transfer by phase changes, are categorized.
To achieve heat transmission, engineers also take into account the advection of material containing various chemical species, whether hot or cold.
Thus, Heat transfer is the term used to describe the movement of heat (thermal energy) caused by temperature differences and the subsequent distribution and variations in temperature.
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PLEASE HELP ASAP
write a multi paragraph informative essay about sharks
Sharks are a diverse group of cartilaginous fishes that play a vital role in maintaining the balance of the marine ecosystem.
There are over 500 species of sharks, each with its unique physical and behavioral adaptations that allow it to thrive in its environment. Despite their fearsome reputation, only a few species of sharks are considered dangerous to humans.
Sharks are top predators in their ecosystem, and they play a crucial role in maintaining the balance of the food chain. As apex predators, they help to regulate the populations of prey species, which in turn helps to maintain the health of the ecosystem. Many species of sharks have also developed unique adaptations to aid them in hunting their prey. For example, the hammerhead shark has a distinctive head shape that allows it to have a wider field of vision, enabling it to spot its prey more efficiently.
Unfortunately, many species of sharks are currently threatened with extinction due to overfishing, bycatch, and habitat loss. Despite their ecological importance, sharks are often killed for their meat, fins, and other body parts, which are highly valued in some cultures. Conservation efforts are underway to protect these apex predators, including the creation of marine protected areas and the regulation of shark fishing.
Overall, sharks are an essential part of the marine ecosystem, playing a crucial role in maintaining the balance of the food chain. While some species of sharks can be dangerous to humans, they are not the mindless killing machines that they are often portrayed to be. Instead, they are highly adapted and sophisticated creatures that deserve our respect and protection. By taking steps to protect these apex predators, we can help to ensure the health and stability of the oceans for generations to come.
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Which of the following actions would help to reduce the risk of infection transmission when transferring patients between hospitals? (Select 4, correct responses): a. Remove and dispose of contaminated PPE before entering the new hospital
b. Ensure all frequently touched surfaces are cleaned before and after the transport c. Do not allow the patient to use the toilet during transport
d. Cover any symptomatic rashes or skin breaches,
e. Change any dressings of skin breaches on the patient before entering * the new hospital
f. Perform hand hygiene before and after the patient is moved
HELP PLEASE!! TWO DIRECTIONS AND TWO APPROXIMATE DISTANCES
rom the data presented, it is likely that Marko gave Hinano precise instructions. One could hypothesize he said: beginning from the entrance gate, go straight forward for around 200 yards, then turn left at the immense Ferris wheel; proceed ahead in a linear pattern for about 100 yards, finally take a right towards the food court; continuing going forth for almost fifty yards and search for him near the opening of the roller coaster ride.
How to explain the informationWith this navigational guide, directing Hinano to his exact whereabouts, utilizing three specific landmarks (entrance door, tilt-wheel, & cafeteria) while specifying two directional turns (left/right) as well as two approximate distances (200 yds or 100 yds).
Her route would be optimized, allowing her rapid arrival to Marko's position with minimal time and effort.
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Does diffusion work better across dry or wet surfaces?
Answer:
Diffusion is the movement of particles from high to low concentration across different surfaces. It usually works better on wet surfaces because water molecules help particles move. Dry surfaces may not have enough moisture to help particles move, slowing or hindering diffusion. The surface type can also affect diffusion - porous materials allow for easier diffusion while dense materials restrict it.
What does the equation NPP = GPP − R represent?
A.
It represents the amount of chemical energy that will be available to consumers.
B.
It represents the amount of chemical energy that will not be available to consumers.
C.
It represents the amount of solar energy that will be available to consumers.
Answer:
The equation NPP = GPP - R represents option B, the amount of chemical energy that will not be available to consumers.
NPP stands for net primary productivity, which is the amount of energy that is available to the primary consumers in an ecosystem after the energy used by the producers (GPP - gross primary productivity) for their own metabolic needs (R - respiration) is subtracted.
Therefore, NPP is the energy that is left over after the producers have met their own needs, and it is available for consumption by the consumers in the ecosystem. The equation shows that not all of the energy that is produced by the plants through photosynthesis is available for consumption by the consumers. Some of it is used by the plants themselves for their own metabolic processes.
When a population of animal 'X' was introduced into the community, the number of lions increased while the number of wildebeest decreased. Animal 'X' could be:
A Herbivore
B Carnivore that is a predator of wildebeest and lion
C Carnivore that is a predator of wildebeest but a prey of the lions
D Omnivore
Animal 'X' could be Carnivore that is a predator of wildebeest but a prey of the lions. The best answer will be (C)
Analogy to affirm the animal is carnivoreI will agree with C because a carnivore that preys on wildebeest but is also preyed upon by lions could cause an increase in the lion population due to decreased competition for food, while also causing a decrease in the wildebeest population due to predation. This scenario is consistent with the observed increase in lion numbers and decrease in wildebeest numbers.
Therefore, animal 'X' is most likely a carnivore that preys on wildebeest but is also preyed upon by lions, making option C the most appropriate answer.
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a student studying interactions between body systems constructs this table the student plans to fill out the table with phrases that describe an interaction between each pair of systems
The digestive system provides nutrients to muscle cells through the process of digestion and absorption.
When we eat food, it passes through our digestive system where it is broken down into smaller molecules that can be absorbed into the bloodstream. These molecules, such as glucose and amino acids, are then transported to the muscle cells through the circulatory system.
Once the nutrients reach the muscle cells, they are used for energy and to support muscle growth and repair. Without a constant supply of nutrients, muscle cells would not be able to function properly, leading to weakness and atrophy.
In addition, the digestive system also plays a role in regulating fluid balance in the body, which is important for maintaining proper hydration levels during physical activity. Therefore, the interaction between the digestive and muscular systems is crucial for overall health and performance.
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What new question(s) should be investigated to build on Evelyn’s research? How do your questions build on the research that has already been done?
New questions that could build on Evelyn's research include:
What are the long-term effects of forest restoration on biodiversity and ecosystem services?How can forest restoration be optimized to maximize biodiversity conservation and ecosystem services provision?These questions build on Evelyn's research by focusing on the long-term impacts and optimization of forest restoration, rather than just the short-term effects. They also take into account the importance of biodiversity conservation and ecosystem services, which were not explicitly addressed in Evelyn's research. By answering these questions, we can better understand how to restore and manage forests for maximum ecological and societal benefits.
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How is this method of reproduction advantageous to the honeybee colony?
The method of reproduction in honeybee colonies, known as swarming or colony division, has several advantages for the colony; Increase in colony size, Genetic diversity, and reproduction.
Swarming allows the honeybee colony to increase its population and overall size. When a colony becomes overcrowded, the queen and a portion of the worker bees leave the original hive to form a new colony, taking with them the resources needed to establish a new colony.
Swarming helps in promoting genetic diversity within honeybee colonies. When a colony swarms, the original queen leaves with a group of workers, and a new queen is raised in the original hive from eggs laid by the existing workers.
Swarming is a natural means of colony reproduction, allowing honeybee colonies to reproduce and potentially establish new colonies in different locations. This increases the chances of survival and reproduction of the honeybee colony as a whole, as it can establish new colonies in favorable locations with ample resources.
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what were some effects of imerialism of afghanistan
Answer:
Explanation:
The human cost has been severe – over 241,000 Afghan civilians have been killed, and four million Afghans are internally displaced. Another 7 million have left the country as refugees in the last two decades. Around 48% of the Afghan population sits below the national poverty line.
pls tell me just the answer ??
The graph with the allele frequency for an allele that makes a tame raccoon with 100% tame allele on top and 0% at the bottom is the 1st graph.
What is allele frequency?Allele frequency refers to the amount or percentage, of a certain allele (alternative form of a gene) in a population's gene, pool as compared to other alleles of the same gene. It is calculated by dividing the population's number, of copies of a certain allele, by the total number of alleles for that gene.
Allele frequency is an important issue in population genetics, because it may help predict, the genetic makeup, of future generations and the potential for evolutionary change through time.
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ANSWER QUICKLY!!!! Name a symbiotic relationship that a monk seal is involved in (if any).
Answer: The only thing I can think of is predator-prey sharks and seals, or seal and fish.
Explanation:
Which one of These are small differences in a trait of an organism.
Adaptations
Variations
Species
Mutations
Answer:
Variations
Explanation:
due to variations, we all look different even though we are humans
write a multi paragraph informative essay about sharks
Answer:
sharks exist
Explanation
Which of the following best describes a keystone species?
Can indirectly protect several other species in the same habitat
An organism, who if removed, the entire ecosystem changes
Can signal a change in the biological condition of a particular ecosystem and diagnose the health of that ecosystem
An organism, whose introduction causes or is likely to cause environmental harm
Answer:
An organism, who if removed, the entire ecosystem changes
Explanation:
A keystone species is a species which has a disproportionately large effect on its natural environment relative to its abundance, a concept introduced in 1969 by the zoologist Robert T. Paine. Keystone species play a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem and helping to determine the types and numbers of various other species in the community. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether. Some keystone species, such as the wolf, are also apex predators.
Which ONE of the generative characteristics would you expect veterans of World War II to
share with the survivors? b. Why?
The characteristic that both veterans of World War II and survivors might possess, which could be described as resilience.
What is Resilience?Resilience involves the ability to spring back and recover from taxing and traumatic situations.
The aforementioned war was an enormous international conflict that imposed colossal physical as well as mental pressure upon military soldiers who fought in it.
Also, civilians who had survived the aftermath of the war also experienced incredibly challenging predicaments. For example, those who served in WWII witnessed warfare firsthand with comrades lost, severe conditions exposed, while "invisible" wartime casualties - such as civilian survivors - lived through extensive bombings, displacement and grief due to their own losses.
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What step in the scientific method is next after conducting an experiment
Answer:
Recording the Data
Explanation:
Please solve this asap!
Answer:This is not in any textbook not able to find sorry
Explanation:
Help please! I have a question for science.
What two factors are required to have a symbiotic relationship?
Two factors required to have a symbiotic relationship are physical closeness or contact between the organisms and a benefit to at least one of the organisms involved.
Symbiosis refers to a close and long-term interaction between two or more different species of organisms. In order to be considered symbiotic, two factors are necessary.
The first factor is physical closeness or contact between the organisms. This can involve physical attachment, proximity, or shared space. For example, lichens are a symbiotic relationship between fungi and algae that requires physical contact.
The second factor is a benefit to at least one of the organisms involved. The benefit can be in the form of nutrition, protection, or other advantages. For example, the relationship between bees and flowers is symbiotic, with the bees benefitting from the nectar and pollen provided by the flowers, while the flowers benefit from the bees' pollination services.
In summary, symbiotic relationships require both physical closeness or contact between organisms and a benefit to at least one of the organisms involved. Without these two factors, the interaction between the organisms would not be considered symbiotic.
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Compare the number of chromosomes between eukaryotes and prokaryotes
Eukaryotes and prokaryotes differ significantly in their chromosome organization and number.
Eukaryotes, which include plants, animals, fungi, and protists, have complex cells with a true nucleus that houses their DNA. Eukaryotic chromosomes are linear and are found in pairs, with diploid cells typically having two sets of chromosomes. The number of chromosomes in eukaryotes can vary widely, with humans having 46 chromosomes, while some ferns may have hundreds of chromosomes.
In contrast, prokaryotes, such as bacteria and archaea, have simpler cells lacking a true nucleus. Prokaryotic chromosomes are usually circular and consist of a single, continuous DNA molecule. Most prokaryotes have only one chromosome, although some species have multiple copies of their chromosome. The number of genes on a prokaryotic chromosome is typically much smaller than in eukaryotes.
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What is the benefit of a feed-in tariff?
The tariff includes the true cost pricing for renewable energy generation.
Owners of renewable energy equipment have part of the cost of the equipment paid for before it is installed.
Owners of renewable energy equipment can be paid for energy they sell back to the grid.
The tariff pays to store the excess electricity generated by renewable energy equipment.
The benefit of a feed-in tariff is owners of renewable energy equipment can be paid for energy they sell back to the grid.
A feed-in tariff is an energy strategy zeroed in on supporting the turn of events and spread of sustainable power age. Providers of energy from renewable sources like solar, wind, or water receive a price based on the costs of generation in a feed-in tariff scheme.
A policy instrument designed to encourage investment in renewable energy sources is the feed-in tariff. Typically, this entails promising small-scale energy producers an above-market price for the energy they supply to the grid.
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Ella is describing the importance of genetic variation in a species.
Which statement should she use?
A) Genetic variation results in a species with individuals that have similar genes and that can adapt to changes in the environment.
B) A species that has a great deal of genetic variation has a lower survival rate because there is a greater risk of harmful genetic mutations.
C) Individuals in a species that has a high level of genetic variation are often unable to find mates and reproduce.
D) Genetic variation increases the ability of a species to adapt to environmental changes, and the species is less likely to become extinct.
Answer: Genetic variation results in a species with individuals that have similar genes and that can adapt to changes in the environment
Explanation:
The Wright Brothers' first airplane is to a Boeing 747 as
(1 point)
O Rover
O Mars
O Sojourner
O NASA
is to Curiosity
The Wright Brothers' first airplane is to a Boeing 747 as Sojourner
The correct option is C.
What is an airplane?An airplane, often known as an aeroplane or just a plane, is a fixed-wing aircraft that is propelled forward by the push of a jet engine, propeller, or rocket engine.
In the modern world, airplanes make international travel quick and convenient.
Aerodynamic principles are used in the engineering of planes to enable flight. Rapid airflow over the wings causes it to be flung down to the ground as well, which produces lift that propels the plane upward.
A Boeing 747 is an example of an airplane.
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