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Andrew [12]
3 years ago
11

Second-growth forests ________.a) are those forests in the National Parks that are protected from logging b) are forests that es

tablish themselves after virgin timber has been removed from an area c) are less abundant on Earth today than they were 500 years ago d) in North America are mostly in British Columbia and Alaska e) are forests whose timber has second-rate value.
Biology
1 answer:
AnnyKZ [126]3 years ago
6 0

Answer:

Second-growth forests are forests that establish themselves after virgin timber has been removed from an area

Answer b) is the ANSWER

Explanation:

It's also known as secondary forest.

It occurs after a long time in a forest or woodland area where the disturbance factors have been removed over a long period of time. thereby, causing the regrowth of trees

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Answer:

b. Vernalization

Explanation:

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Plz help ASAP! THANK YOU
marysya [2.9K]

Answer:

According to the diagram, what is occurring in step 7 is cytokinesis, with the separation of two daughter cells, following cell division.

Explanation:

Cytokinesis is a process that occurs at the end of mitosis or meiosis, being the final step of cell division. This mechanism allows the <u>separation of the two daughter cells</u>, with equal distribution of cytoplasm and formation of cell membrane, differentiating into two independent cells.

In the diagram it can be observed (step 7) that after the division process —in yellow— two arrows pointing to two cells are evident, which implies the process of cytokinesis.

Prior to the cytokinesis process, karyokinesis occurs, which is the separation of nuclei and formation of the nuclear membrane.

In animal cells, karyocinesis occurs by the effect of a ring of actin and myosin that helps to force the separation. In the plant cell, the fragmoplast is formed, a septum that induces the separation of the daughter cells.

The other options are not correct because:

  • <u><em>Cell growth</em></u><em> occurs in G1 phase.</em>
  • <u><em>Cell preparation</em></u><em> occurs in interphase.</em>
  • <u><em>DNA replication</em></u><em> occurs in S phase.</em>
  • <u><em>Mitosis</em></u><em> is represented in yellow, and involves 4 phases.</em>

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Trees sprouting after a forest fire.

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