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Nady [450]
3 years ago
8

Explain how current and oxygen content affect the biodiversity of streams and rivers

Biology
1 answer:
Eddi Din [679]3 years ago
8 0

Answer: The oxygen content at the source of the streams or rivers is higher as compared to the mouth of the river. Consequently, the organisms which require more oxygen tend to find at the source of the rivers whereas the organisms which require less oxygen tend to find at the mouth of the river.

Explanation:

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If a predator is eliminated from an ecosystem its prey’s population will likely _______. a. increase b. decrease c. stay the sam
Natalija [7]
A. If the prey isn’t getting killed, they will continue to increase the population until they hit their max (due to resources).
6 0
2 years ago
Which may lead to lower productivity because of a lack of incentives?
LekaFEV [45]
I believe the answer is Government subsidies. A subsidy is the form of cash payment or a tax reduction. It is normally given to remove some type of burden, and it is often considered to be in the overall interest of the public, given to promote a social good or economic policy. Tax subsidy; the government can create the same outcome through selective tax breaks as through cash payment. For example, suppose a government sends monetary assistance that reimburses 15% of all health expenditures to a group that is paying 15% income tax. Tax subsidies are also known as tax expenditures.
3 0
3 years ago
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In order to perform a successful transformation, for which of the following would you most likely have to use electroporation or
tatiyna

Answer:

Answer is B. Escherichia Coli.

Explanation:

Transformation involves the introduction of foreign DNA into competent organism, I.e E.coli.

This effect can be done through the application of electric current across the cell. This process is known as electroporation.

6 0
2 years ago
Which body system makes red blood cells?
forsale [732]

Answer:

In the human adult, the bone marrow produces all of the red blood cells, 60–70 percent of the white cells (i.e., the granulocytes), and all of the platelets. The lymphatic tissues, particularly the thymus, the spleen, and the lymph nodes, produce the lymphocytes (comprising 20–30 percent of the white cells).

4 0
3 years ago
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A biologist discovered a young, four-legged animal. The animal had lungs, seemed to fertilize internally, and its outer surface
navik [9.2K]
The answer should be reptiles!

The characteristics of reptiles are:

1. They are four-legged

2. They have an outer covering of scales

3. They breathe with the aid of lungs

4. Although most reptiles lay eggs, some also give birth to live young (fertilise internally)!

I hope this helps! :)
6 0
3 years ago
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