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Related Questions
The diagram shows a model of an ecosystem.
Stack of four blocks, with the largest block on the bottom of the stack and the smallest on the top. The first and largest box is labeled 100% and is titled Primary producers. The second box is labeled 10% and is titled First-level Consumers. The third box is labeled 1% and is titled Second-level Consumers. The fourth and smallest box is labeled 0.1% and is titled Third-level Consumers.
What does the model represent?
A. the total biomass in each trophic level
B. the total amount of energy in the ecosystem
C. the relative amount of energy available at each trophic level
D. the conservation of energy as energy transfers between organisms
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Answer: i would say D but i'm not entirely positive
Explanation:
this is showing how the energy is distributed between the types of organisms in an environment
i need help with this asapp
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How would an ecosystem be removed if fungi were removed from the environment?
A. There would be an increase in plant life.
B. Nutrients would not be recycled back into the environment.
C. Animal life would increase.
D. All factors would stay the same.
Answers
Answer:
B
Explanation:
Answer:
B. Nutrients would not be recycled back into the environment.
Hope This Helps!
The date palm tree shown below is found near Cairo, Egypt. Which of the following is an adaptation of the date palm?
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Answer:
Date palm trees are able to survive several years without rain.
Explanation:
Plants living in the hot desert climate of Cairo are adapted to the desert climate by being able to survive several years without rain.
Which product is a source of energy that plants use to grow?
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Answer:
photosynthesis
Explanation:
1
Cells do which of the following? (check all that apply)
A reproduce
B
take in nutrients
c get rid of wastes
D
use energy
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Answer:
A can be right answer because reproduction is completely based on cells where as others r n{t primary function
All of the above options are functions carried out by cells including reproduction, nutrient absorption, excretion and energy utilization.
What are the functions of cell?Cells take in nutrients from meals, turn those nutrients into energy, and carry out specialized functions while doing so. They are responsible for providing structure for the body. Additionally, cells are capable of duplicating themselves and contain the hereditary material of the organism. There are numerous components that make up a cell, each of which has a specific purpose.
Cells must execute metabolic activities to survive, but some byproducts can be poisonous or fatal if they accumulate. Excretion removes cell wastes.
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During cellular respiration what is the direct source of the energu used in the cells of consumers?
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Answer:
Consumers use chemical energy from the chemical bonds within organic molecules such as carbohydrates, lipids, and amino acids.
Explanation:
Heterotrophs are consumers; they ingest or absorb organic matter (lipids, carbohydrates, proteins, etc.) made by autotrophs or producers for their energy consumption. Autotrophs include plants, bacteria, and other photosynthesizing organisms, while heterotrophs include animals, fungi, protists, and bacteria.
Heterotrophs obtain energy from food through the process of cellular respiration. For instance, during aerobic respiration in mitochondria, they break down sugars in the form of glucose into carbon dioxide and water to obtain energy in the form of ATP or adenosine triphosphate.
aerobic respiration: C6H12O6+ 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP
glucose+ oxygen → carbon dioxide+ water+ energy
What happens to the glucose that is made during photosynthesis?
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Answer:
The sugars produced by photosynthesis can be stored, transported throughout the organism, and converted into energy which is used to power all cellular processes. Respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.
Explanation:
When a molecule other than water moves from an area of high concentration to an
area of low concentration with the use of a protein it is an example of what type of
passive transport.
Osmosis
Facilitated diffusion
Active Transport
Diffusion
Answers
Answer:
Osmosis
Explanation:
Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
This direction is from high concentration to low concentration, this will create equilibrium.
The scale for humidity has a minimum value of 40%. However, if you could change the humidity to zero and set a 70°F
difference between temperatures, would precipitation occur? Why or why not? What type of weather would you expect?
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Answer:
precepetation ont occur
Explanation:
Because 70%F means it High temperatureand is also high we feel sweating.
Which one of the following will increase the size of a population?
A) Increased death rate
B) Decreased immigration
C) Decreased death rate
D) Decreased birth rate
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Which of the following is not an example of oxidation?
combustion
decomposition
photosynthesis
Answers
Answer:
photosynthesis
Explanation:
Answer:
photosynthesis
Explanation:
photosynthesis of a plant RELEASES oxygen but does not REQUIRE oxygen to generate. Decomposition does require oxygen to do the process. Combustion needs oxygen to keep the fire going.
HELP ASAP!!!!!!
What is the first step of a virus’s life cycle?
A
replicating
B
assembling
C
attaching to a host
D
entering a cell
Answers
Answer:
The answer is D I am pretty sure plz help me with the question
Explanation:
A tomato plant grew 6 inches the first week, before slowing to an average of 0.5 inch per day. How many days will it take before the tomato plant reaches a height of 16 inches? Use the equation 16 = 0.5d + 6
Answer:
C-Attaching to a host
Explanation:
It wouldn’t be entering the cell because I’ve learned that it needs to attach to a host first, and it wouldn’t be replicating because it needs to be in the host before it starts. Which leaves assembling and attaching. It is attaching and not assembling because assembling is one of the last ones, second to last step, so the answer would be attaching.
Enzymes like pepsin are found in the stomach and act on food to break it down into simpler substances. This is an example of a — chemical change. stimulus. physical change. reflex.
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Answer: Chemical Change
Explanation:
Enzymes like pepsin are found in the stomach and act on food to break it down into simpler substances. This is an example of a —
Chemical change
Ground tissue in plants consists of highly specialized cells that perform certain functions. What is one function of the ground tissue found inplants?
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Explanation:
Ground Tissue FunctionParenchyma Tissue Photosynthesis Food storage Healing and tissue regenerationCollenchyma Tissue Support in young stems, roots, and petiolesSclerenchyma Tissue * Rigid support Protectionhope this helpswhat statement is false ?
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Answer: my choice would be D my guy or girl
Explanation:
how does xylem differ from phloem?
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Answer:
Xylem is different from phloem structurally and functionally
Explanation:
Xylem conducts water and minerals to the leaves where phloem transports the prepared food from leaves to different parts of plant body.
Which of the following features is likely to form where two tectonic plates push toward each other?
a
Ocean shoreline
b
Mountain range
c
Mid-ocean ridge
d
Rift valley
Answers
Answer:
B
Explanation:
When two tectonic plates move toward each other it is called a convergent boundary. As a result of a convergent boundary you get things like mountains and volcanoes.
The most commonly used feature is to form Mountain range.
What is tectonic plates?The Sun, a 4.5 billion year old yellow dwarf star and the center of our solar system, is a hot, burning ball of hydrogen and helium. It is the only star in our solar system and is located approximately 93 million miles (150 million kilometers) from Earth.
The Sun may appear to be a constant source of heat and light in the sky from Earth's perspective. However, the Sun is a dynamic star that changes frequently and radiates energy into space. Heliophysics is the study of the Sun and how it affects the rest of the solar system.
The largest body in our solar system is the Sun. About 865,000 miles are in its circumference.
Therefore, The most commonly used feature is to form Mountain range.
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Which is not one of the four nitrogenous bases in DNA?
a) adenine
b) guanine
c) thymine
d) benzene
Answers
Answer:
D
Explanation:
I hope this is correct and have a great day
Answer:
The nitrogrnous that is not found in DNA is (D)Benzenen
Explanation:
To make a DNA molecule you need: nitrogenous bases—there are four of these: adenine (A), thymine (T), cytosine (C), guanine (G) carbon sugar molecules. phosphate molecules.
Nitrogen is important for _____.
healthy bones and teeth
oxygen transport in the blood
respiration
amino acids and DNA
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Answer:
amino acids and DNA is C
According to the big bang theory, the universe is continually getting
larger and cooler.
larger and warmer.
smaller and cooler.
smaller and warmer.
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larger and cooler I think or larger and warmer
hope this helps
Amed watched a video of someone using a jetpack rocket at a lake Water is pumped out of the lake into the jetpack, and then the water is fired
out of the jetpack, as shown in the picture. The rider is lifted out of the water and can move around over the lake. Explain how the height of the rider above the water could be increased. Support your explanation using Newton's third law of motion.
PLZ PLZ I NEED HELP 20 POINTS
Answers
Answer:
The rider could be lifted higher above the water by increasing the force of the water fired out of the jetpack.
Explanation:
This force is equal in strength to the reactive force in the opposite direction. The reactive force lifts the rider out of the water.
When we increase the height of the rider when the force on the water is increased.
Newton's laws of motion:
From the Newton's laws of motion, action and reaction are equal and opposite. As such, when the water is fired, it exerts a force on the rider causing him to move higher.
As such, we can increase the height of the rider when the force on the water is increased.
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The shape and function of a protein molecule is ultimately determined by_______ because this is where protein synthesis begins.
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Answer:
The primary structure of a protein — its amino acid sequence — drives the folding and intramolecular bonding of the linear amino acid chain, which ultimately determines the protein's unique three-dimensional shape.
Explanation:
Answer:
its amino acid sequence and/or rna?
Explanation:
"The primary structure of a protein — its amino acid sequence — drives the folding and intramolecular bonding of the linear amino acid chain, which ultimately determines the protein's unique three-dimensional shape. ... Folded proteins are stabilized by thousands of noncovalent bonds between amino acids." - Google.
The amount of radiation that one person is exposed to throughout their life can negatively effect their
_________ rate.
A) fertility
B) death
C) longevity
D) birth
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Plz help me with this.
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Conduction, because the heat travels through the material without the material being moved.
Why is cell division important for unicelluar organisms? For multicelluar organisms?
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Answer:
Don’t waste points on this I found this answer on google
Multicellular organisms need cell division to grow and to replace dead or damaged cells and unicellular cell division is the only way single-celled organisms can reproduce.
Explanation:
which part of the cell nucleus enables features to be passed from one generation
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Which of the following is NOT evidence for Endosymbiotic Theory?
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Answer:
mitochondria and chloroplasts can not survive outside of the cell
Explanation:
The statement that mitochondria and chloroplasts cannot survive outside of the cell is not a supporter of the endosymbiotic theory. So the correct option is A.
What is the endosymbiotic theory?
It's possible that eukaryotic cells originated when several cell types fused to form one. They started coexisting in what are known as symbiotic partnerships. The endosymbiotic theory describes how this may have occurred. One creature that resides inside of another is known as an endosymbiont. Your own cell and all other eukaryotic cells are animals formed of other species' components.
Both the chloroplast and the mitochondrion are organelles that were formerly free-living cells. They were prokaryotes that were ensconced within other cells (host cells). They may have become a part of the other cell by being eaten (a process known as phagocytosis), or they could have been parasites living inside the host cell.
The inner cell lived and flourished with the host cell rather than being ingested by or destroying it. It resembles a landlord and a renter in certain ways. The organelle pays rent by producing energy that the host cell may consume, and the host cell offers a cozy and secure home.
The organelle and the host cell have developed together throughout time as a result of this long-ago event. The two are now inextricably linked. Even while they now work as a single organism, if we look closely, we can still see traces of the organelles' former lives as free-living entities.
Therefore the correct option is A.
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is plastic Natural Material or Synthetic Material?
Answers
Answer:
Synthetic because it is not a natural resource or material
Answer:
Synthetic because it is not a natural resource or material
Explanation:
if a mother has type A blood and the father has type AB blood what is the probability of the offspring having type O blood? 75% 50% 0% 100% 25%
Answers
Answer:
100 percent
Explanation:
because A or ab can produce o