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Lyrx [107]
3 years ago
12

Describe how photosynthesis and cellular Respiration Power all the ecosystems on this planet

Biology
1 answer:
SSSSS [86.1K]3 years ago
4 0

Answer:

Photosynthesis and cellular respiration allow the carbon and oxygen that organisms consume and produce to be cycled through the ecosystem. They work together so that what is made from one process is used in the other. Without them the ecosystem would run out of carbon dioxide and oxygen, and everything would die.

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_____ cells form the body's skin, inner linings, and glands.
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A. epithelial cells form from the body's skin
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3 years ago
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In garden peas a pure line that is tall with purple flowers is crossed to another pure line that is short with white flowers. Th
defon

Answer:

See the explanation

Explanation:

Answer 1.

As given that in F1 all are short and white then it can be said according to Mendel's law that short and white are dominant over tall and purple.  

Let S for short s for tall and W for white and w for purple allele.

So the genotype of short purple will be Ssww or SSww. So In first case Ssww self crossed then resultant offsprings will be,

................ Sw .................... sw

Sw ........ SSww ............. Ssww

sw ........ Ssww .............. ssww (tall and purple)

So from this 1/4 will be tall and purple while 3/4 will be short and purple.

In second case SSww only short purple progeny will appear.

Answer 2.

2. a) The female progeny will not show any trait because there are two X chromosome in females , so female offspring can be carrier but not show any trait in case of X- linked trait.

2. b) Half of male offsprings show trait because X is inherited from mother. So the chance of having X-linked recessive allele is 1/2.

2. c) The chance of having X linked affect allele in daughter is 1/2. So the chance of inheriting that X to son will be 1/2 so in total there is chance of 1/4 that son will be affected.

2. d) the chance of first child show this trait will be 1/4 in case of male offspring while 0 in case of female offspring.

Hope this helps!

4 0
3 years ago
snakes rely on behavioral homeostasis to get warmer. what might a snake do in order to increase its body temperature.
Shalnov [3]

Answer:

They bask in the sun

Explanation:

In other words, they lay on their back to raise their body temperature.

I hope this helps!

8 0
3 years ago
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The answer your looking for is B different patterns of gene expression
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Photosynthesis gives the plant food/nutrients to be able to survive. They make their own food
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