Answer:
300
Explanation:
on edge2021
If zebra get 10% energy of 30,000 kJ which is 3,000 kJ of energy. Then Cheetah gain the energy of 300 kcal via energy transfer.
What are the levels of energy transfer in a food chain?
In an ecosystem, the Food chain is the cyclical event among producer, consumer, decomposer and energy in the form of food.
A feeding level through which energy in the form of food is transferred from one organism to other in an ecosystem called as trophic level.
Primary producers which are plants and algae, Primary consumers are the herbivores and Secondary consumers are both carnivores and omnivores, Tertiary consumers and quaternary consumers are carnivores.
Autotrophs can convert light energy to chemical energy via photosynthesis, then to primary consumers followed by secondary consumers and finally transferred to the tertiary consumers.
The energy transferred to each level remains 10% only.
Thus cheetah would acquire 300 kcal of energy.
Learn more about energy transfer, here:
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How does the process of hydration cause chemical weathering?
A.
Water reacts with iron minerals in rock to form rust.
B.
Moving water transports sediment from rock.
C.
Increased density adds pressure to the molecules in rock.
D.
Acidic water dissolves calcite in carbonate rocks.
Answer:
A. Water reacts with iron minerals in rock to form rust.
Explanation:
Generally, weathering is the process by which rocks are broken down or disintegrated into smaller particles. However, as the name implies, chemical weathering is the weathering facilitated by chemical reactions.
However, there are various types of chemical weathering, of which one is HYDRATION. Hydration is a type of chemical weathering which involves the reaction of water with the chemical constituents of rocks, which eventually disrupt or changes the structure. Therefore, in chemical weathering, water reacts with iron minerals in rock to form rust.
If a kite is flying in the air, does that mean that it is alive?
Answer:
No
Explanation:
If a kite is flying it means the air is enabling it to lift, the mechanism of a kite does not equate to a structure of a living thing
A teacher modeled part of a DNA molecule using two of these coiled springs. Which part of the DNA was the teacher most likely modeling?
Answer: The part of DNA that the teacher was modelling would be the backbone of DNA.
Explanation:
The DNA is made of double helical structure which is twisted. In the structure of DNA two strands are coiled among each other.
The DNA consists of the nitrogenous bases, phosphate groups and deoxy-ribose sugar.
The backbone of DNA is made up of sugar( alternating )and phosphate group.The nitrogenous bases such as adenine, cytosine ,guanine and thymine are joined to the deoxy-ribose sugar.
This backbone part was part that the teacher was making as a model by using two coiled springs.
Why is phosphorus essential to living things?
Answer:
Phosphorus, the 11th most common element on earth, is fundamental to all living things. It is essential for the creation of DNA, cell membranes, and for bone and teeth formation in humans.
Please help I will give BRAINLIEST face the earth
Answer:
It is often assumed that the moon is a perfect sphere, which it is not. The side of the moon facing earth is more dense than the side facing away. Therefore, it takes energy for the moon to rotate its earth-facing side away from the earth. Such energy is not currently available, so the same side always faces earth, caught in earth’s gravity.
Explanation:
Hope this helps you a lot my boo!
Answer:
The moon keeps the same face pointing towards the Earth because its rate of spin is tidally locked so that it is synchronized with its rate of revolution (the time needed to complete one orbit). In other words, the moon rotates exactly once every time it circles the Earth
Are fibrous proteins heavier than globular proteins in terms of molecular weight? Why?
Answer:
Proteins range in molecular weight from 1000 to more than 1 million daltons (Da), but the folded size of a globular protein is not necessary correlated to its molecular weight. Proteins composed of about 250 amino acids or less often have a simple, compact globular shape. Larger globular proteins are usually made up of two or more recognizable and distinct structures, termed domains or modules. These are compact, folded protein structures that are usually stable by themselves in aqueous solution. Typical domain structures consist of hydrophobic cores with hydrophilic surfaces. Individual domains often possess unique functional behaviors and often perform unique functions within the larger protein in which they are found.
help asap pls getting timed
Answer:
temp.
Explanation:
Answer:
tempurature
Explanation:
Which of the following types of energy does the Earth receive from the Sun?
Answer:
Solar Energy
The sun radiates solar energy to the earth and it is used for other things.
Answer:
solar radiation
structural adaptations of phloem
Answer:
strong
Explanation:
Answer:
The cells that make up the phloem are adapted to their function. Each sieve tube has a perforated end so its cytoplasm connects one cell to the next Companion cells. transport of substances in the phloem requires energy. One or more companion cells attached to each sieve tube provide this energy.
Explanation:
Which best compares habitat and niche
Answer:
Habitat is like where the animal lives, and niche is its position in the community, like predator
Michaelis and Menten studied the enzyme sucrase, which uses sucrose as a substrate. Assume that lactose is a competitive inhibitor of sucrase. This could be demonstrated by appropriate kinetic experiments. Think about the kind of data that would be collected in these experiments.On the axes below, show appropriate double-reciprocal plots that would demonstrate that lactose is a competitive inhibitor. Label the axes, and any intercepts with X and Y axes appropriately.The graph can be used to determine whether or Vmax has changed in the presence of lactose. State what it about the graph that allows this, and whether Vmax has changed in the presence of lactose.
Solution :
In the context, Menten and Michaelis were doing a research. They are studying about the enzyme sucrase that can use sucrose like a substrate.
The intercept on the y-axis gives the value of the Vmax.
As the intercept is same for both the plots, Vmax does not change upon the competitive inhibitor of sucrase.
The graph plotted is provided below.
When a cell needs energy, it brings in nutrients and break it down and supply energy to the cell
Answer:
This question is incomplete, the complete question is: When a cell needs energy, I take in nutrients break them down, and supply energy to the cell. I can also convert stored energy in the cell to food. I am a?
The answer is MITOCHONDRION
Explanation:
All living organisms need energy at the cellular level to carry out their cellular activities. This energy is obtained by eating food. The energy in food is stored in the bonds of the sugar molecule that is contained in it.
However, via a process called CELLULAR RESPIRATION, the stored energy in food is broken down and used to synthesize a form of energy usable by the cell called ATP. This important process occurs in the organelle called MITOCHONDRION.
Describe the basic process of DNA replication and how it relates to the transmission.
Answer: At the replication fork, the helix unwinds into 2 separate strands.
Explanation: DNA polymerase joins individual nucleotides to produce a new strand of DNA. This makes a brand new strand that is identical to the first. The DNA first replicates its information to ensure it is the same in the new strand.
10 POINTS !!!!
Which is an example of an environmental influence that would most likely result in natural selection?
O The soil in a field always has lots of nutrients, so corn plants in a population can grow quickly. O A fish is bom with a genetic mutation that produces a longer tail, allowing the fish to swim faster than others in the population
O A food resource disappears in a pond, and some frogs in a population can eat the remaining food resource, while others cannot O The temperature in a lake remains constant, so most of the turtle population survives to adulthood
Answer:
The best example of environmental influence that would most likely result in natural selection is that a food resource disappears in a pond, and some frogs in a population can eat the remaining food resource, while others cannot.
Explanation:
Among the environmental factors that can influence natural selection at a given time is the availability of food. Natural selection, from the point of view of evolution, is influenced by adverse environmental conditions, being food shortage one of them.
In conditions of food shortage in a pond, as in the example of the frog population, only the most apt will be able to take advantage of nutritional resources, while the less apt will not be able to survive. The ability to survive with little food available becomes an inherited trait that will be passed on to future generations.
In any case, tolerance to adverse conditions becomes adaptation, which translates into survival and reproductive success.
The other options are not correct because none of them show environmental pressure that can lead to natural selection.Answer:
food resource disappears in a pond, and some frogs in a population can eat the remaining food resource, while others cannot.
Explanation:
Are fibrous proteins heavier than globular proteins in terms of molecular weight? Why?
Answer:
Proteins range in molecular weight from 1000 to more than 1 million daltons
Explanation:
The part of the cerebral cortex that directs the muscle movements involved in speech is known as:_____.A) Wernicke's area.B) Broca's area.C) The temporal lobe.D) The parietal lobe.
Answer:
b) Broca's area
Explanation:
The part of the cerebral cortex that directs the muscle movements involved in speech is known as: broca's area.
In what era did the humans appear
Image result for In what era did the humans appear
Hominins first appear by around 6 million years ago, in the Miocene epoch, which ended about 5.3 million years ago. Our evolutionary path takes us through the Pliocene , the Pleistocene , and finally into the Holocene, starting about 12,000 years ago.
What does yeast produce during fermentation ?
Answer:
Some yeasts can ferment sugars to alcohol and carbon dioxide in the absence of air but require oxygen for growth. They produce ethyl alcohol and carbon dioxide from simple sugars such as glucose and fructose.
Explanation:
Hope this helps (づ｡ ◕‿‿◕｡) づ
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Why is wind an agent of mechanical weathering?
A.
Wind carries sediment that causes abrasion of exposed rock.
B.
Wind carries oxygen molecules that react with iron in exposed rock.
C.
Wind carries water vapor that dissolves minerals in exposed rock.
D.
all of the above
this is the answer
A.
Wind carries sediment that causes abrasion of exposed rock. this may be correct(:
A bog is a type of wetland with witch of the following
a. stagnant water
c. warm, slow-moving water
b. only dead plants
d. still, acidic water
Answer:
Still acidic water
Explanation:
A bog or bogland is a wetland that accumulates peat, a deposit of dead plant material—often mosses, and in a majority of cases, sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; alkaline mires are called fens.
Which best describes why projectiles move in a curved path?
Physiology is the study of the structure of the body.
Answer:
Anatomy is the study of the structure of the body, Physiology is not.
Answer:
yes
Explanation:
what are three ways transgenic organisms can be used to benefit society?
Answer:
1.To produce bacteria that can generate biofuels efficiently.
2.To produce bacteria that can generate medicines in large amounts .
3. To produce crops that are resistant to pests.
Answer:
To produce bacteria that can generate biofuels efficiently.
To produce bacteria that can generate medicines in large amounts .
To produce crops that are resistant to pests.
Which characteristic of a population is calculated by the number of organisms divided by the area they occupy?
A.
age structure
B.
density
C.
distribution
D.
genetic diversity
Answer:
B density
Explanation:
Answer:
its B
Explanation:
Explain why ruminants, cecal fermenters, and monogastrics have such different abilities for digesting forages.
Answer:
Ruminants, cecal fermenters, and monogastrics have different abilities for digesting forages because of their digestive physiology and their diet. ... The cecal fermenters have larger intestine and ceca than monogastrics that allow them to have a large fermentation capacity as well as ruminants.
Explanation:
i hope this help
The distance versus time graph for Object A and Object B are shown.
A graph titles Distance vs Time. A straight slanting line is drawn through point 7 on y axis and this line is labeled Object A. The graph for Object B is a straight slanting line passing through the origin
What is the similarity between Object A and Object B?
Both have the same slope.
Both move with variable speed.
Both move with constant speed.
Both start the journey from the same point.
Answer:
The correct answer is - Both move with constant speed.
Explanation:
If an object moves in a particular way that it covers the same distance at the same times the speed considered as constant suppose if two objects a and b both travel 10 m and 20 m respectively and the time they take in travel are 2 and 4 seconds respectively than we can say they both have a constant speed.
The relation between the variables x,t, and v is
x=v.t
If V is constant which is the speed we get a straight line x-t in the graph.
By the given information we can say that both objects A and B are traveling at a constant speed.
Answer:
I think its C
Explanation:
I doing the test rn and im guessing
What characteristic do bacteria, fungi, and plants share that other kingdoms do not?
Sketch the process of endocytosis. Label the vesicle, cell, and cell membrane
Answer:
komakoji
Explanation:
Which of the following statements about the tundra is not true?
a.
Tundra means “treeless land.”
b.
Plants and animals in the tundra have adapted to the extreme climate.
c.
Temperatures in the tundra range from extreme highs to extreme lows.
d.
The alpine tundra can be found on mountaintops.
Answer:
c. Temperatures in the tundra range from extreme highs to extreme lows.
Explanation:
all other statements are true
hope this helps, pls mark brainliest :D
Answer:
a. tundra means "treeless land"
During aerobic respiration, which of the following directly donates electrons to the electron
transport chain at the lowest energy level?
A. NADH
B. ATP
C. ADP + Pi
D. FADH2
E. None of the above
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Answer:none above
Explanation:
ok