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omeli [17]
2 years ago
6

Biogeochemical system

Biology
1 answer:
Dovator [93]2 years ago
5 0

Answer:

gf

Explanation:

bfbfbb

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How do the four rocky planets compare to the four gas giants in size
Sidana [21]
They are much much smaller and much much cooler despite being much much closer to the sun.the gas giant's mass allows for constant movement and friction which warms up it's core.
5 0
3 years ago
The Greek scientist Galen theorized that:
dimulka [17.4K]

Answer:

A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'

Explanation:

Galen believed a theory of pneuma. That is, he believed that blood contains "vital spirits" released into it by the brain.

6 0
1 year ago
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Cells with a full set of chromosomes are referred to as diploid or 2n, whereas cells with half the chromosomes are haploid or n.
Papessa [141]

Answer:

  • Diploid → Prophase, metaphase, and anaphase
  • Haploid → Telophase

Explanation:

During prophase I,  chromosomes get condensed. Each of the chromosomes gets in pair with its homologous one. They do so to make the crossing-over possible, a stage where they interchange their parts → 2n

During metaphase I, each of the homologous pairs is driven to the equatorial plane, where they randomly line up → 2n

During anaphase I, occurs the independent separation of homologous chromosomes that migrate to opposite poles of the cell. This separation generates different chromosomal combinations in the daughter cells. There are two alternatives per homologous pair → 2n  

In telophase I, half of the chromosomes are already in one of the poles, while the other half is on the other pole. Each group of chromosomes has now half the number of the original cell. The nuclear membrane forms again in each pole → n

Finally, occurs cytokinesis, which involves the invagination of the cell membrane and cytoplasmic division.

The two new cells are ready for meiosis II.

3 0
2 years ago
Charles Darwin's theory of evolution by natural selection explains each of the following except-
aleksandr82 [10.1K]
The answer that would best complete the given statement above would be option B. Charles Darwin's theory of evolution by natural selection explains each of the following except <span>inherited traits are passed from to offspring. Hope this answers your question.</span>
6 0
3 years ago
Why would the bacteriophage shown in the transparency not be able to enter any other type of cell
Ber [7]
It is only able to recognize part of a bacteria cell.
4 0
2 years ago
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