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elena-s [515]
2 years ago
15

What are the three reasons that organisms react?

Biology
1 answer:
Firlakuza [10]2 years ago
4 0
Competition, predation, cooperation, symbiosis
between same and different kinds of organisms, competes for avalible resources (food, light)
between different kinds of organisms, hunst and kills eachother in order to supply their energy (shelter)
between same organisms, lives together and helps eachother out (mates)
between different kinds or organisms, lives in close association wiht another kin of organism (space/territory)
all non-living things in an ecosystem are interconnected and changing even one thing impacts the whole ecosystem
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Answer:

Advances in microscopy

Explanation:

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A circuit consists of a wire, a lightbulb, a switch, and a battery. What would happen if the battery were replaced with a sectio
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how does the presence of white flowers cahnge from the parent generation to first generation of offspring to the second genratio
UNO [17]

Answer:

P generation:  1 purple flower (AA)  :  1 white flower (aa)

F1 generation:  4 purple flowers (Aa)  :  0 white flowers

F2 generation:  3 purple flowers (AA, Aa)  :  1 white flower

Explanation:

Assuming the parents are AA and aa, the allele for white flowers is recessive, so there needs to be two of them for the trait to be expressed.  Thus, the capital A purple allele that the other parent contributes will mask that white allele and all the flowers will appear purple.  However, all of the offspring are Aa now, so when they are crossed, there's a 25% chance that they'll both contribute the lowercase a allele that codes for white flowers.  Remember that if both of them give the lowercase a allele then the offspring will be aa and appear white.

8 0
2 years ago
The cell wall of a plant is like a laminated two layer structure.<br> a. True<br> b. False
JulsSmile [24]
<h2>Answer:</h2>

It is a true statement.

Explanation:

The plan cell wall is composed of 3 layers or 3 types of walls:

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  2. Secondary cell wall.
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Between primary and secondary there is middle lamella.

These layer make it a laminated two layer structure.

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