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Katarina [22]
3 years ago
11

Which best describes how long it usually takes for speciation to occur

Biology
1 answer:
Margarita [4]3 years ago
4 0

Answer: B

Explanation: The creation of a new species takes many, many generations.

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Describe how building a dam for electricity affects an ecosystem.
tankabanditka [31]

Answer:

The alteration of a river's flow and sediment transport downstream of a dam often causes the greatest sustained environmental impacts. Life in and around a river evolves and is conditioned on the timing and quantities of river flow. A dam also holds back sediments that would naturally replenish downstream ecosystems.

<em>Hope it helps</em>

<em>:D</em>

8 0
3 years ago
Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissu
Aloiza [94]

Answer:

The cells Differentiated

Explanation:

The neutral tube is a precursor to form nervous tissues. Thus, on trnasplantation to another embryo, the transplanted cells differentiated to form nervous tissues.

6 0
3 years ago
A run chart can help with which two steps of the quality process
lions [1.4K]
The answer is identify and define
6 0
3 years ago
 Which statement about the cells of organisms is accurate?
Helga [31]

Answer:

B

Explanation:

Animals, plants, and fungi are multicellular organisms so therefore B

7 0
3 years ago
According to the envelope in Model 1, who is supposed to receive the letter?
QveST [7]
Jane doe because that is who the envelope is a dressed to
5 0
3 years ago
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