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lorasvet [3.4K]
3 years ago
7

Describe the difference between a food chain and a food web. Which most resembles what is found in an ecosystem?

Biology
1 answer:
Leto [7]3 years ago
6 0
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
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Can someone Help me with this please
Harrizon [31]

Answer:

Explanation:

1> Because meat is more calorically dense than vegetables

2>Sunlight is necessary for plants to grow, and to provide energy to warm the earth's atmosphere. Light intensity controls plant growth. Light duration affects plant flowering and animal/insect habits.

3> The pyramid of biomass can be upright or inverted, but pyramid of energy is always upright.

4 0
3 years ago
What chemical process provides us with the energy required for active transport?
Thepotemich [5.8K]

Answer:

Primary active transport directly uses a source of chemical energy (e.g., ATP) to move molecules across a membrane against their gradient.

7 0
3 years ago
An online article that your professor asked you to critique states that African Americans cannot contract malaria, even if they
motikmotik

Answer:

The answer is B.

Explanation:

Regarding the situation explained in the question that "African Americans are not affected by the malaria disease because of a specific genetic trait that they possess and that trait provides them with protection" can be explained by the answer given in option B.

Being heterozygous, meaning possessing a dominant and a recessive allele regarding that genetic trait, in terms of sickle cell trait which is a gene that causes the individual's blood cells to be sickle shaped and balanced polymorphism which means carrying two different versions of a gene is an argument that is enough to prove that the above statement is incorrect because it means they have blood cells that can be affected by the malaria disease.

I hope this answer helps.

6 0
4 years ago
An otherwise healthy 40-year-old man was in a car accident that caused damage to his right kidney, and the organ had to be remov
Brrunno [24]
The answer is that his blood pressure could increase. 

It is known that one of the functions of the kidney is to control blood volume. But, when one kidney is removed, the other one that remained must work for the both. So, the one remained kidney will try to control increased blood pressure, but if the one is not kidney is not enough, it could lead to increase of the blood pressure of the patient.
5 0
3 years ago
Recently, Zika virus has been in the news. Treatment of it is of particular concern. Why?
Veronika [31]
Because ZIKA is spreading fast, and they don't know how to prevent it
7 0
3 years ago
Read 2 more answers
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