Energy pyhamids, otherwise known as trophic level diagrams, are used to represent the flow of
energy through an ecosystem. An organisms trophic level indicates the organism's position in
the sequence of energy transfers. The bottom, or base, of an energy pyramid is a position
always held by the producers and represents (by far) the largest percentage of biomass for
the food web. The need for such a large biomass of producers is to support the energy
needs for all the organisms at higher trophic levels. Draw and label an energy pyramid for the
following 1 hectare of farmland:
• 30,000,000 MJ of Sunlight (solar energy) reaches ground level during a 150-day growing
season
• 52,164 MJ of energy is stored in the soybeans grown on the hectare of land
1,645 MJ of energy is stored in edible beef by cattlewho eat the soybeans
Answers
From the total energy that reaches the ground, 1% is used by producers. The energy transference in the trophic web follows the 10% rule, in which each level uses 10% of the energy stored by the anterior level.
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Only 1% of the total solar energy that reaches the ground is used by producers, who occupy the first trophic level. From this input of solar energy, it begins a unidirectional energy flow through all the organisms in the ecosystem, from autotrophs to heterotrophs, until it is finally dissipated in the environment. At each trophic level, it occurs an energy transfer from one level to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule". This is, as a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time. The progressive reduction of energy determines the number of trophic levels (4 or 5).If 30,000,000 MJ of Sunlight (solar energy) reaches ground, then only 30,000 MJ can be absorbed by primary producers.
5,216.4 MJ from 52,164 MJ of energy stored in the soybeans, are used by cattle.
1,645 MJ of energy is stored in edible beef by cattle who eat the soybeans.
164.5 MJ of this energy is tranferred to the following trophic level.
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Related Questions
The use of biological processes to protect and repair the environment from negative human impacts is part of a growing area of biological applications called .
Answers
Bioremediation is that process which use the biological organisms to protect and repair the environment.
Bioremediation refers to the use of biological agents or processes in order to protect and repair the environment from negative human impacts. This phenomenon depends on stimulating the growth of specific type of microbes that utilize contaminants such as oil, solvents and pesticides as a sources of food and energy.
These microbes has the ability to use these harmful substances as a food and convert these contaminants into water as well as harmless gases like carbon dioxide so we can conclude that bioremediation is that process which use the biological organisms to protect and repair the environment.
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Fleas and mosquitoes sometimes transmit disease pathogens such as bacteria and viruses from one individual to another. Such agents (fleas and mosquitoes) are called
Answers
Answer:
Insects
Explanation:
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Scientists study anaerobic fermentation in yeast cells incubated at different
temperatures. The amount of carbon dioxide (CO2) detected at each temperature in
two trials is shown in the table above.
Check the 2 products of fermentation below
Ethanol
Pyruvate
Glucose
CO2
H2O
O2
Answers
Answer:
Ethanol CO2
Explanation:
A cell uses active transport to move sodium ions out of the cell. Why does the cell use active transport instead of diffusion to move sodium ions out of the cell?.
Answers
Answer:
A cell uses active transport because active transport uses energy going from high to low (against the concentraion gradient) while diffusion (passive transport which doesn't use energy) goes from low to high.
Explanation:
The cell uses active transport to move sodium ions out of the cell instead of diffusion because they are moved against a concentration gradient.
WHAT IS ACTIVE TRANSPORT?Active transport is the type of transport in which substances are moved from a region of higher concentration to a region of lower concentration.
This means that substances are moved against a concentration gradient, hence, requires energy in form of ATP to take place.
The cell uses active transport to move sodium ions out of the cell instead of diffusion because they are moved against a concentration gradient.
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Which of the following metabolic processes uses the most energy?
A. Growth and repair
B. Digestion
C. Exercise and warmth
D. Excretion
Answers
Answer:
Explanation:
Answer would be c
Answer:
Growth and repair (A)
Explanation:
Growth and repair takes up 70% of energy. Hope this helps! :)
Vaccines are given to provide protection against pathogen causing infections. Which of
the following statements best describes how vaccines work?
Group of answer choices
A. Antibodies in the vaccine provide the body with nonspecific immunity to an antigen.
B. Fever and swelling develop which is the first response in killing a pathogen.
C. An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus.
D. Heathy bacteria causes the body to release toxins which will protect the body if later exposed to different type of bacteria.
Answers
Answer: Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself. Regardless of whether the vaccine is made up of the antigen itself or the blueprint so that the body will produce the antigen, this weakened version will not cause the disease in the person receiving the vaccine, but it will prompt their immune system to respond much as it would have on its first reaction to the actual pathogen.
! What landforms could be the result of diverging plates and name a location where this occurs?
Answers
Answer:
rift valleys and mid-oceanic ridges.
Explanation:
what is gene expression
Answers
Answer:
Gene expression is the process the cell uses to produce the molecule it needs by reading the genetic code written in the DNA.
Explanation:
To do this, the cell interprets the genetic code, and for each group of three letters it adds one of the 20 different amino acids that are the basic units needed to build proteins.
the green pigment that traps the energy of sunlight for photosynthesis is
Answers
Answer:
The green pigment that traps the energy of sunlight for photosynthesis is called chlorophyll.
Answer:
chlorophyl
Explanation:
yea i learned this is science last year
which of the following organisms has the largest surface area to volume ratio?
A) Bactrium
B) Butterfly
C) elephant
Answers
Answer:
B) Butterfly
Explanation:
Smaller animals tend to have a larger surface area to volume ratios. Smaller animals have breathing and heart rate faster than that of larger animals.
which part of the flower or needed to make seeds?
Answers
Answer:
Ovary is the part of the flower which is needed to make seeds
Which statement about biochemical reactions is false?
Answers
The statement that is false is that they can create new energy during the reaction. The correct option is a.
What is biochemical reaction?Biochemical reactions are chemical processes that occur in live cells to support life and promote cell growth.
To expedite most biochemical reactions, an enzyme is a type of biological catalyst.
The amount of activation energy required for the reaction to start is decreased by enzymes. Most enzymes are proteins that only interact with one particular chemical, known as their substrate.
The ratio of atoms in the reactants and products must always be balanced.
They have the capacity to store energy as a covalent bond. They have the ability to alter the cell's energy's shape. They follow the laws of physics and chemistry.
Thus, the correct option is a.
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Your question seems incomplete, the missing options are:
a. They can create new energy during the reaction.
b. They must always balance the number of atoms in the reactants
and the products.
c. They can store energy in the form of a covalent bond.
d. They can change the form of energy found in the cell.
e. They obey the rules of chemistry and physics.
Bryant Vaughn first worked for United States government as a forensic botanist in 1975, _____ after pollen analysis was first used by Lennart von Post.
Answers
Bryant Vaughn first worked for the USA government as a forensic botanist in 1975, 59 YEARS after pollen analysis was first used by Lennart von Post. L. von Post is considered the father of palynology.
Palynology refers to the discipline that studies plant pollen in both living and fossil forms of life.
Lennart von Post was a naturalist and geologist who is generally regarded as the father of modern palynology.
L. von Post published in 1916 a quantitative analysis of pollen grains entitled “Forest-tree pollen in south-Swedish peat layers”.
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noni fruit as an antibiotic
Answers
Answer:
Noni fruit juice has been reported for its various functional effects including antibacterial activity.
Place the stages of photosynthesis in order:
Answers
Answer:
First is D
Second is C
Third is B
Fourth is A
Genes which are expressed all the time.
Answers
please help
help help
Answers
Answer:
m= p+e
Explanation:
What results at the end of biochemical reactions that involve enzymes?
Answers
The results at the end of biochemical reactions that involve enzymes are one or more PRODUCTS. They are the consequence of these reactions.
Chemical reactionsA chemical reaction can be defined as a process where one or more substrates react in presence of an enzyme to generate one or more products.
These enzymes are proteins that catalyze different reactions by lowering the activation energy.
The enzymes bind to specific substrates in order to form a complex which is required to carry out the reaction.
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Which organism has the least visible postanal tail as an adult
Answers
Answer:
There are no choices, but i'm guessing Human?
what is phototropic?
Answers
Imagine you are in a biology class and you are dissecting the eye of an animal that hunts at night. What prediction would you make about the retina of this animal
Answers
Answer:
Explanation:
This animal would have a large number of rods.
11. What are the proteins used in active transport called?
Answers
The answer carrier proteins
What is a group of similar cells that perform the same function?
A. a tissue
B. an organelle
C. an organ system
D. a multicellular organism
Answers
Answer:
The answer is A. a tissue
Explanation:
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
Identify the mutation below that would be passed on to a living, fertile offspring if it happened in a parent.(1 point)
DNA replication errors that take place in somatic, or body, cells that are repaired by the cell
UV radiation exposure causes a mutation in a skin cell that results in the formation of cancer
a chromosomal mutation that affects a sperm cell, deactivating a crucial gene involved in development
an insertion mutation in an egg cell that deactivates a gene for hair color, resulting in a viable error
Answers
Answer:
an insertion mutation in an egg cell that deactivates a gene for hair color, resulting in a viable error
Answer:
Option 4. an insertion mutation in an egg cell that deactivates a gene for hair color, resulting in a viable error.
Explanation:
Only germline mutations are hereditary in nature i.e., that can be passed on from the parent to the offspring. Examples of hereditary mutation include Sickle cell anemia or hemophilia.Germline mutation: Any noticeable genetic changes in the germ cells of the body that is passed on from the parent to off spring.Mutations such as somatic cell mutation, chromosomal mutation, silent mutations are not hereditary.Option 4 talks about the mutation in egg cells i.e., the reproductive cell which affects the phenotypic traits such as hair color. The change in the phenotypic trait means that it is a genetic mutation of the egg cell as phenotypic changes only occur as a result of genetic mutation. Hence, any detectible mutation in the germ cell can pass on from a parent to offspring.For more information:
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why do all of the planets orbit in the same direction?
Answers
Answer:
Due to retrograde orbit.
Explanation:
Retrograde orbit means that it's orbiting the opposite way of the parent body; In this case, the sun is rotating counterclockwise, and retrograde orbit reverses the direction, clockwise.
how would you expect the return of the wolves to yellowstone to affect the other species there?
Answers
There are two types of reproduction, sexual and asexual Sexual reproduction involves two parents, while asexual reproduction only involves one,
Sort the reproductive processes below according to whether they are asexual or sexual.
ITEM BANK: Move to Bottom
Creation of an egg
Creation of fruit
Mushrooms producing spores
Production of seeds
Stem cuttings of plants
Sexual
Asexual
Budding in yeast
drag and drop answer here
drag and drop answer here
Answers
Answer:
Creation of egg- Sexual
Creation of fruit - Sexual
Mushrooms producing sporea - Asexual
Production of seed - Sexual
Stem cutting - Asexual
Budding in yeast - Asexual
anthropologists are suspicious of naturalizing discourses because
Answers
- They direct attention away from current social inequalities, insisting that these inequalities are so deeply rooted that attempting to change them would be impossible.
-They ignore variations in social arrangements in other present-day societies, which show that social life may be organized differently
Anthropologists are suspicious of naturalizing discourses because they ignore historical evidence showing how present-day arrangements contrast.
What are the roles of anthropologist?An anthropologist is a person engaged in the practice of anthropology. Anthropology is the study of aspects of humans within past and present societies.
Creating research plans that address underrepresented topics. Executing research protocols that adopt a holistic study design. Promoting the co-creation of information by employing participatory approaches.
Anthropologists, people who conduct anthropological studies, identify aspects of being human as their focus. For example, one anthropologist might explore mating rituals of a small tribe in New Guinea.
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How is water split into hydrogen and oxygen during photosynthesis? What substances get used up during photosynthesis? What type of energy is ATP? What is produced during glycolysis?
Answers
How is humus formed?Explain.
Answers
Answer:
Humus is formed when organic material (such as leaves, dead animals etc.) is degraded by a combination of fungi, bacteria, microbes and other animals (earthworms for example) that reside in the soil.
Explanation:
Answer:
Hey mate....
Explanation:
This is ur answer...
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.
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