Answers
The biomass pyramid shows the decline or steady decline in biomass from base to peak of each trophic level. Pyramids employed in ecological systems don't use fresh weight.
What is the role of biomass in ecological pyramids?The biomass that is produced by organisms at every trophic level can be measured using a biomass pyramid.
The bottom level of this pyramid is occupied by the producer, which are typically plants. Primary consumers come after the producers.
The total living biomass or organic matter present at various trophic levels in an ecosystem is represented by a biomass pyramid.
The mass of living things present at each trophic level in a given sample size is used to determine biomass. Calories per unit area or dry weight in grams are two ways to see it.
Therefore, biomass is not typically represented by pyramids in ecology.
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Related Questions
What is the biggest error, methodologically, in the following scientific study? "The goal of the study was to determine whether the ebola virus is as deadly in rhesus monkeys as it is in gorillas. I took a sample of four healthy rhesus monkeys and four healthy gorillas. The animals were a random mixture of sexes and ages. I arranged eight cages so that each animal would be in a separate cage, and I made sure there would be no contact among the cages that would allow transmission of the virus. Then I obtained a sample of the ebola virus from the National Institute of Infectious Diseases and injected all the monkeys and gorillas with the same size dose. At the end of four days, I noticed that all the gorillas were dead but only one of the monkeys was dead. An autopsy revealed that three of the four gorillas had died of ebola fever but that the fourth, nicknamed Curious George, had died of internal bleeding after swallowing the small pair of scissors that were left within reach of its cage. The dead monkey had died of ebola fever. At the end of two months there were no more deaths. I concluded that my dosage of the ebola virus is three times as likely to be deadly to gorillas as it is to rhesus monkeys, but I recommended repeating the study to see if the percentages of deaths due to ebola fever remained steady over a wide range of dosages of the virus."
Answers
Answer:
The sample obtained for the study is not enough. Also, a control group is not established thus making the study erroneous.
Explanation:
The total sample size of 4 specimens from each of the two groups does not qualify as an appropriate sample size for the generalization of the results. Furthermore, the mixing of different ages and genders is not suitable for this kind of sample.
Also, the control group is not established where healthy specimens are kept in a similar environment to factor out the effects of the environment and other components on the health/death of the animals.
Conduction, convection, and radiation involve the transfer of ____
A. heat.
B. matter.
C. potential energy.
Answers
Explanation: conduction, convection, and radiation are all forms of heat transfer.
What does biology study?
Answers
Answer:
biology is the study of plants and animals
Explanation:
Biology is defined as the study of living things and their vital processes of life. The word biology was coined from two Greek words: bio means life and logos means study
which modern day organism has the most exponential eyesight in the animal kingdom?
a.) the peacock mantis shrimp
b.) the blue spotted hawker dragon fly
c.) the vampire cuttlefish
d.) machine gun kelly
Answers
Answer:
b
Explanation:
becuse
Explanation: Mantis shrimps probably have the most sophisticated vision in the animal kingdom. Their compound eyes move independently and they have 12 to 16 visual pigments compared to our three. They are the only animals known to be able to see circular polarised light.
Brainliest please
The flowchart below is a model of how a stimulus in an animal's environment can result in a change in the animal's behavior. Use the labels provided to complete the model.
Answers
1) environmental stimulus 2) sensory receptors 3) brain 4) memory 5) behaviour.
Explain how a stimulus in an animal's environment can result in a change in the animal's behavior?(1) Environmental stimulus: A stimulus is any detectable change in an animal's environment that can potentially affect the animal's behavior. For example, a loud noise or the presence of food can be stimuli.
(2) Sensory receptors: When a stimulus is detected by an animal's sensory receptors (such as eyes, ears, nose, or skin), it sends signals to the animal's brain via sensory neurons.
(3) Brain: The animal's brain receives and processes the signals from the sensory receptors, which can result in the activation of specific neural circuits and the release of various neurotransmitters.
(4) Memory: Depending on the animal's past experiences, the stimulus may trigger certain memories and associations that influence the animal's behavior. For instance, if the animal has learned to associate a particular sound with danger, it may respond differently than if it had no prior experience with that sound.
(5) Behavior: Finally, the combined effects of the sensory input, brain processing, and memory can result in a change in the animal's behavior. The animal may move towards or away from the stimulus, vocalize, exhibit a particular social behavior, or engage in any other response that is appropriate for the situation.
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Describe briefly the modifications and mechanisms associated with the following feeding habits. (b) (i) Filter feeding in mosquito (ii) Parasitic feeding in tapeworm.
Answers
The modifications and mechanisms associated with the following feeding habits are the mosquito larva feeds by using its strainers to catch particles and plankton.
Filter feeding in mosquito larva: Using its strainers, the mosquito larva eats by capturing plankton and other particles. Mandible, maxillae, and brushes are present on the head. The pair of brushes at the sides of the mouth can sweep through water and entangle small food particles that are combed into the mouth by the maxillae and mandibles because the ventral surface of the head is angled upward.
Parasitic feeding in tapeworm: The tape worm's head (scolex), which has hooks, and a rostellum, is used for parasitic feeding. The organism is able to cling to the walls of its host's gut thanks to its hooks. The host's digested meal is absorbed throughout the entire body.
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How does the income level of a worker impact their ability to recover from environmental disasters?
Answers
Disasters are more likely to cause lives and property damage in poor areas, and they frequently lead to an increase in poverty afterward. Poorer communities frequently do not fully recover from disasters; instead, they experience a new normal and a lower status after a crisis.
Why are the effects of natural catastrophes worse among the poor?Due to their frequent relocation to high-risk locations, poor people are more frequently impacted by natural disasters. First, regions that provide economic prospects, public services or direct comforts, as well as better productivity and salaries, may be more desirable than others.
Various economic losses result from calamities. Infrastructure and capital assets, including buildings, industries, schools, roads, dams, and bridges, are destroyed. Owing to the loss of life, the exodus of trained labourers, and the disruption of education due to the destruction of educational infrastructure
Economic losses in the form of assets and local revenue will be a result of disasters.
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What gene is affected in type one diabetes
Answers
Describe the function of one component of a cell membrane. How is its shape important for this role? How do functional groups and/or intermolecular forces of attraction contribute to its shape?
Answers
Integral membrane proteins are found on cell membranes and due to their structure and polar functional groups are able to serve as transport channels.
What is the cell membrane?The cell membrane is a lipid bilayer which separates the cell contents from the external environment.
A component of the cell membrane is the integral membrane proteins which transverses the cell membrane and as such are able to serve as transport channels.
The integral membrane proteins contain hydrophilic amino acids groups with charged groups which help it to serve as binding site for polar molecules like water and ions.
The interior contains hydrophobic amino acid which enables it to interact with the lipid bilayer.
In conclusion, the structure and composition of integral membrane proteins enables them to serve as cell transporters and channels.
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why are mutations considered important in evolution
Answers
Mutations are considered important in evolution because they are the ultimate source of genetic diversity.
Mutations are alterations in the sequence of an organism's DNA, caused by radiation or toxins in the environment. They can also form spontaneously during DNA replication.Mutations can have a variety of impacts. These are frequently dangerous or have little or no impact. However, changes in DNA sequence can occasionally be helpful to the organism.Beneficial mutations that offer a survival benefit or reproductive success are more likely to be passed on to subsequent generations, increasing their frequency in the population over time. This accumulation of favorable mutations is a driving factor in the process of evolution.Without mutations, there would be no supply of new genetic information, and evolution would be greatly hampered.
Answer:
Mutations are one of the fundamental forces of evolution because they fuel the variability in populations and thus enable evolutionary change.
Which of the following is true?
a. Extinctions of past species has happened gradually and on a small scale.
b. Bacteria represent a newer form of life, not present during the early prehistory of Earth.
c. Most organisms present early in Earth's prehistory were more complex than modern organisms.
d. Species on Earth today are but a fraction of all species that ever lived.
e. The number of species existing at one time has decreased throughout history.
Answers
Answer:
D
Explanation:
So many species on the Earth have gone extinct throughout it's years. Many species have died out over the 4.543 billion years that the earth has existed, and new species are introduced throughout the decades whilst some fade out.
Ecotherms change their temperature by modifying their behavior True or false
Answers
use
a flow chart to differentiate
types of fungi
on the basis
of
nutrition,
reproduction and location.
Answers
The flowchart is given in the photo.
Hope it help..
Thank you
Please mark me brainliest.
Six images of organisms are below.
Drag and drop each organism to place them in the correct order of succession, from first to last, in an area consisting mostly of rock.
A
First: D
F
B
C
Last: E
Answers
Answer:
C or B
Explanation:
I don't know the answer but Hope it's help ◉‿◉
The properties of water are an essential part of what makes water unique. What affect does the properties of water have on Earth's surface and its systems?
How does water’s molecular structure affect solubility of substances on Earth? Provide a real-world example.
Explain how all the properties of water are related. Provide an example to describe the interconnectivity of each property. Be sure to include hydrogen bonding, polarity, surface tension, capillary action, cohesion, adhesion, high specific heat, and expansion upon freezing.
Answers
The polarity of water is the basis for all other observed properties of water.
What is water?Water is a highly polar covalent molecule. The dipole of water is high such that the molecule is known to have a very high dielectric constant. Given the fact that water is a very much polar molecule, there are several unusual properties of water. All these unusual properties of the water molecule stem from the fact that there a very high degree of intermolecular hydrogen bonding which holds the molecules of water together.
For instance, the polarity of water causes water to have a high surface tension. This explains why an umbrella could be used to hold water and protect the person using it from being drenched by the rain.
The fact that water molecules are agglomerated by the hydrogen bond which stems from high polarity of the molecule, the usual properties of water such as surface tension, capillary action, cohesion, adhesion, high specific heat, and expansion upon freezing are all observed.
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Which of these is a problem
that increases as the human
population
increases?
A. the amount of Sun hitting the Earth
B. the amount of land needed to grow food
C. the salinity of the ocean
Answers
Answer:
the amount of land needed to grow food
Which property (quality) of fossils allows scientists to determine the relative ages of rock layers?
A.Fossils show change over time as species evolve.
B.Fossils form from the remains of living organisms.
C.Fossils are usually found only in sedimentary rock.
D.Fossils can be analyzed to determine their exact age
Answers
Hope this can help you
The property (quality) of fossils allows scientists to determine the relative ages of rock layers are fossils show change over time as species evolve.
What is the minimum age of a fossil?A living being that lived more than 11 thousand years ago is considered a fossil, that is, before the Holocene, which is the current geological epoch. Ancient remains or evidence, but less than 11,000 years old, such as sambaquis, are classified as subfossils.
Chemistry is present in this process, more precisely the element Carbon. The dating of a fossil can be done based on the already known percentage of Carbon-14 (C14) in relation to Carbon-12 (C12) of living matter (without decomposition).
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a) Look back at your hypothesis from question 2. Could this hypothesis become a theory if
you repeated your experiment 100 different times and got the same results? Can a theory be
I
created by just one person? (2 points)
Answers
A theory can be created by just one person, but it requires extensive research, experimentation, and peer review to become widely accepted. A theory is a well-established explanation that has been repeatedly confirmed through observation and experimentation, and it must be supported by a large body of evidence. Therefore, a theory cannot be created by just one person without extensive research and experimentation, and without undergoing peer review to ensure its validity.
The demographic transition model shows five stages of population growth and decline. Put the stages in the appropriate order by matching the order number with each correct stage name.
Answers
The stages in the appropriate order by matching the order number with each correct stage name include the following below:
1- High Stationary
2- Early Expanding
3 - Late Expanding
4- Low Stationary
5- Declining
What is Population growth?This is referred to as increase in the number of organisms in a given area over a period of time and is dependent of factors such as availability of resources etc.
The demographic transition model has five stages of population growth which starts with the high stationary and then the last stage is the decline which occurs immediately after the low stationary stage.
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One difference between cell division in plant cells and in animal cells is that plant cell have
Answers
Answer:
A cell plate
Explanation:
A cell plate is a structure found in plant cells on the top and bottom of the cell. It is a perforated wall made of cellulose and it allows for substances to move in and out of the cell, as the outer most layer of a plant cell, the cell wall, is impermeable.
When you need to convert from one system of measurement to another, you should convert to the a) system that will have the highest number. b) system that will have the smallest number. c) system used on the medication label. d) metric system.
Answers
Answer:
3. In my opinion, the use of archetypes in a story like "The Apple Tree" isn't lazy or unimaginative. This is because of various reasons, mainly being that it is extremely hard to come up with anything completely original. Chances are that anything you think of has already been thought of, made, or in the process of being made. I believe as long as something isn't completely copying something else, then it is okay for it to exist. For example, "The Apple Tree" and the story of Adam and Eve follow the same plot archetype and are similar in many ways. But the two stories talk about two very different concepts. I believe it is okay to take inspiration from something else because that is how evolution works, and without evolution, humans wouldn't be where they are today.
Explanation:
A certain type of non-native fungus has affected crops on Tim’s farm. Tim has decided to use a chemical control method to eradicate the invasive species. He applied a pesticide to the outer layer of the stems of his crops. Which chemical control method did Tim use?
Answers
Tim used a chemical control method known as pesticide application.
Pesticide application involves the use of chemicals to control or eradicate pests, such as insects, fungi, and weeds. In Tim's case, he applied a pesticide to the outer layer of his crop stems to control the non-native fungus that had affected his crops. Pesticides can be applied in various forms, such as sprays, dust, and granules.
The type of pesticide used depends on the target pest and the crop being protected. While chemical control methods such as pesticide application can be effective, they also have potential drawbacks, such as the development of pesticide resistance in the targeted pest populations and the risk of harming non-target organisms and the environment.
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Earth's atmosphere blocks much of the light that astronomers need to observe distant stars. To get around this problem, nasa put a powerful telescope-.
Answers
The majority of the light light astronomers use to study far-off stars is blocked by the Earth's atmosphere. NASA installed a parabolic dish in orbit around the planet to circumvent this issue.
Do you take a breath of the air?arbitrary fact The atmosphere of the Earth is where we find the oxygen we breathe. Did you know that the atmosphere that makes up the coating of air we breathe could be as thin as the apple's skin if the planet were an apple?
The composition of the atmosphereAbout 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, 0.9 % are argon, and 0.1 % are other gases. The other 0.1 percent of gases includes trace quantities of neon, water vapor, methane, carbon dioxide, and methane.
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Design and organise learning experiences according to your local circumstances when teaching Processing (including traditional processing of raw materials; metal processing; food processing)
Answers
When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.
Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:
1. Introduction and Contextualization:
Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.
2. Field Trips and Industry Visits:
Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.
3. Hands-on Workshops:
Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.
4. Local Case Studies:
Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.
5. Project-Based Learning:
Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.
6. Community Engagement:
Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.
7. Assessment and Reflection:
Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.
By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.
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the diagram represents protein synthesis which is essential to the function of all cells. what is represented by C?
Answers
The part of the diagram that represents transcription is C.
What is the essential part of every cell?Transcription simply means the process where the information that's in a strand of DNA is copied into a new molecule of messenger.It should be noted that transcription takes place in a nucleus. The diagram depicted represents structures and processes involved in protein synthesis in an animal cell. The part of the diagram that represents transcription is X.As the name implies, protein synthesis, involves the synthesis of proteins in a cell. Cellular structures in a cell called organelles are responsible for this function. These organelles include ribosome and rough endoplasmic reticulum.The ribosome is an organelle found in all cell types and is the site for the synthesis of proteins in the cell. The ribosome is where translation (process of synthesizing amino acid chains from mRNA) occurs. The chains of amino acid later becomes the protein.The Rough endoplasmic reticulum (RER) gets it "roughness" from the fact that RIBOSOMES are attached to its surface. Due to this, the RER functions in the synthesis of proteins. The RER is involved in the production, folding and packaging of proteins in eukaryotic cells. The RER processes the polypeptide produced by the ribosome into proteins that are carried to varying destinations.To learn more about cells refer to:
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can be used by cells to store energy, form biological membranes, and serve as chemical messengers.
A.Lipids
B.Glucose
C.Carbohydrates
D.Fructose
Answers
The macromolecules that can be used by cells to store energy, form biological membranes, and serve as chemical messengers are lipids (Option A).
What are lipids?Lipids represent a broad category of macromolecules composed generally by a glycerol backbone and one or more fatty acid chains, which may serve as hormones such as cholesterol.
In conclusion, the macromolecules that can be used by cells to store energy, form biological membranes, and serve as chemical messengers are lipids (Option A).
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I need a word after the “sub-“ please help
Answers
Answer:
Division
Explanation:
the cells are all divided.
Which type of energy is created by splitting atoms?
A. Fusion
B. Geothermal
C. Fission
D. Tidal
Answers
Atomic fission is the process through which energy is produced. The right answer is C.
Atomic splitting produces a particular form of energy known as fission. It is a nuclear process in which a huge quantity of energy is released along with the splitting of an atom's nucleus into two or more smaller nuclei.
In fission, neutrons are used to hit heavy atomic nuclei, such as uranium-235 or plutonium-239, creating an unstable nucleus.
Then, this nucleus splits into two or more smaller nuclei, releasing more neutrons and a substantial amount of energy in the process.
Thus, the correct option is C.
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this segment best represent ls the products of the reaction…abcdor e
Answers
This picture is all about enzyme catabolism.
The answer is B.
Which of the following is an example of gene flow?
O The movement of people on Earth steadily increases and alters the course of human evolution
An earthquake results in the formation of a canyon, splitting a population of toads apart
O A fire drastically reduces the size of a white-tailed deer population. The remaining individuals spread out throughout the remaining forest
A small population of grasshoppers gets blown away and isolated during a storm. The gene pool of the new population is different from the original population
Answers
An example of gene flow is: A. The migration/movement of people on Earth which gradually increases and alters the course of human evolution.
What is Gene Flow?Gene flow, which can also be referred to as gene migration, is the transfer of genes or genetic material from one population of a species to another.
Migration of humans from one region to another leads to people of one race intermarrying with people of another entire race.
For example, A European migrating to North America, and getting married to a North American thereby giving birth to offspring exhibiting traits of booth a European and a North American. A gene flow has occurred.Therefore, an example of gene flow is: A. The migration/movement of people on Earth which gradually increases and alters the course of human evolution.
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Answer:
A
Explanation:
I took the test