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nikdorinn [45]
3 years ago
15

Sleep contributes to body growth because

Biology
1 answer:
finlep [7]3 years ago
6 0
When you sleep you are most likely laying down. Without all the gravity pushing down on your spine your spine can expand. Throughout that day gravity pushes down on your spine and it causes your spine to shrink.
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What is the domain containing all organisms with eukaryotic cells?
kicyunya [14]

The domain containing all organisms with eukaryotic cells is the Domain Eukarya. There are only three domains; the Archaea, Bacteria and Eukarya. Domain Eukarya came from the first prokaryotic cells billions of years ago.

3 0
3 years ago
Explain how the independent alignment of homologs, and also crossing-over during the first meiotic division, each contribute to
BartSMP [9]

Answer: Homologous chromosomes are randomly distributed to daughter cells, this means different chromosomes segregate independently of each other. And they exchange segments of DNA during crossing over. This recombination creates genetic diversity because genes from each parent are exchanged.

Explanation:

Meiosis is a type of cell division that produces gamete cells, which are sex cells (egg and sperm)

Chromosomes that form a pair and are found together are called homologous chromosomes, and they are inherited from each parent. During prophase of meiosis I, the homologous chromosomes exchange segments of DNA in a process called crossing over. This recombination creates genetic diversity because genes from each parent are exchanged. <u>It results in new combinations of genes on each chromosome.</u>

After that, during the anaphase of meiosis I, the two chromosomes line up on the equatorial plane of the cell. Then, they are separated and each will go to a new daughter cell. So homologous chromosomes are randomly distributed to daughter cells, <u>this means different chromosomes segregate independently of each other.</u>

3 0
3 years ago
Half of the polar bears in a small population die this population may experience changes due to
Veronika [31]
Climate changes thats what im guessing .. not too sure though ... sorry 
4 0
3 years ago
Explain the factors that affect the rate of photosynthesis in the early afternoon.
makvit [3.9K]

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Several factors can affect the rate of photosynthesis: light intensity. carbon dioxide concentration. temperature.

Explanation:

3 0
3 years ago
Please help me on this!
scZoUnD [109]

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im pretty sure its B

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8 0
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