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Yuki888 [10]
3 years ago
13

I need help with this

Biology
1 answer:
antoniya [11.8K]3 years ago
3 0

Answer:

don't know what do

Explanation:

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In the desert food web shown below, which of the following best describes the transfer of energy between cacti and mule deer?
fgiga [73]
The correct option is B.
In the ecosystem, energy flows from one trophic level to the other. The first trophic level is that of the producers which use the energy of the sun to produce their own food. Out of the energy obtained from the sun by the producers only about 3% of it is converted into food products. The second trophic level is made up of the herbivores and the omnivores which eat the plant. Only about 10% of the energy from the plant is transferred to the animals in the second trophic level. These second trophic level animals will also transfer about 10% of the energy they obtain to the animals in the third trophic level when they are eaten. Thus, it can be seen that the energy that is transferred in the ecosystem is gradually reducing from one trophic level to another.
7 0
3 years ago
Diffusion of ions across membranes through specific ion channels is driven by ________. Group of answer choices ion concentratio
TiliK225 [7]

Answer:

The correct choice is ''ion electrochemical gradients''.

Diffusion of ions across membranes through specific ion channels is driven by <u>ion electrochemical gradients</u>.  

Explanation:

An electrochemical gradient can be considered as that electrical (electrostatic pressure) and chemical (diffusion) force that determine the movement of molecules and ions across the membrane. This electrochemical gradient, in addition to causing movement of substances through cell membranes, is also a type of potential energy available for the performance of different cellular activities, potential energy called membrane potential.

5 0
3 years ago
What determines the inherited traits of an organism? Please hurry!
Blababa [14]

Answer: The Answer is D

I hoped i helped

3 0
3 years ago
What is the difference in average speed between two cars that have traveled 150 km in five hours and the other traveled 130 km t
Aliun [14]

Answer:
The difference is 4 km

Explanation:

150 / 5 = 30
130 / 5 = 26

30 - 26 = 4 km

I hope this helped!

8 0
2 years ago
Read 2 more answers
Why do you think scientists track the genes of other organisms such as rats or mice in the database? Do you think rat genes are
DENIUS [597]

Explanation:

Understanding through into genetic risk factors for various illnesses in the human population come from mouse research. Manipulation of the mouse genome is quite simple, for example, adding or deleting genes to better understand their function in the body.

The majority of mice and rats used throughout medical studies are inbred, which means they are genetically virtually similar, making the outcomes of medical trials more consistent.

6 0
3 years ago
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