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Bond [772]
3 years ago
14

The level of oxygen in the air is measured in a garden and on a city road. Which location has a higher level of oxygen and why?

The oxygen level is the same in both places because oxygen production by photosynthesis remains constant, regardless of location. The oxygen level in the city is higher because the exhaust gases from vehicles produce oxygen through the release of carbon dioxide. The oxygen level in the garden is higher because the plants are constantly releasing oxygen through photosynthesis.
Biology
1 answer:
stealth61 [152]3 years ago
6 0
The oxygen level in the garden is higher because the plants are constantly releasing oxygen through photosynthesis.

<span>Photosynthesis is the process by which the plants make their food with the help of sunlight. This food helps the plant to live and grow. The by-products created by photosynthesis are glucose and oxygen. The glucose is used by the plants for growth and oxygen is released in the air.<span> 
</span></span>
The one component in photosynthesis that can't be recycled but must be constantly available is energy.

Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur. 

<span>Photosynthesis is a process wherein light energy is converted into chemical energy. </span>

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Can someone please help on these two question Please I don't get this at all I'm really confused
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A capital letter represents a dominant trait
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Referring to your questions let's us the alleles HH, Hh, and hh for the height of the pea plants.

But what do those letters mean?

HH = homozygous dominant (Tall)
Homo means same.

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Now this is different: here's Hh.
There's a capital AND lowercase letter.
This means that the plant carries the gene for tall and short plants, and can pass on either trait to the offspring.

BUT the dominant always over shadows the recessive. So Hh is a tall plant.

Hh = heterozygous (hybrid) (Tall)
You can interpret hetero meaning different.

Now I hope you're with me!

For question two it asks if a short plant can ever be a hybrid.
Referring to what I just said, that answer would be no.
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And short plants have the hh alleles, and they are homozygous NOT heterozygous (hybrid).

I hope this helps, and makes sense! If you have any questions please let me know. Genetics can be confusing.
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