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7nadin3 [17]
3 years ago
13

A leech that attaches itself to a swimmer is an example of

Biology
1 answer:
elena-s [515]3 years ago
7 0
Parasitism.

Parasitism is a symbiotic relationship where the host (the organism that houses the parasite) does not benefit in any way, only the parasite.


Hope it helped,

Happy homework/ study/ exam!
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What are some structural explanation for why animal and plant cells differ in response to changes in the extracellular space?
Brums [2.3K]

Answer:

The animal cells produce the collagen but the plant cell does not produce collagen that responsible for producing the complex structure of protein and carbohydrates that is called extracellular matrix cell. Collagen is an important protein that provides strength to the structural integrity. On the other hand, the plant has not collagen so they have their extracellular supportive structure. The cell wall is so rigid and covered by the cell that protects it that provides shape and support to it. The plant cell also made up of molecules and these are called cellulose. These cellulose structured into the fibers that are called micro-fibrils

4 0
4 years ago
in pea plants, purple flowers (p) are dominant over white flowers (p). Show the cross between two heterozygous plants
Ostrovityanka [42]

Answer:

       <em>P      p</em>

<em>P</em>    PP   Pp

<em>p    </em>Pp    pp

PP=Homozygous purple

Pp= heterozygous purple

pp=homozygous White

Explanation:

I tried to type out the cross. The bold letters are the heterozygous  plants that you are crossing. and the normal letters are the offspring of the two heterozygous parents being crossed. Heterozygous means they are different alleles. Homosygous means the same alleles are present.

heterozygous= Pp

Homozygous= PP or pp

I hope this was the answer you were looking for!

4 0
3 years ago
Chromosomes other than sex chromosomes are known as _____. autosomes alleles genes proteins
lianna [129]
The answer is autosomes.

<span>In a human diploid somatic cell (2n), there are 22 chromosomes present in two copies and 1 pair of sex chromosomes. This means there are 23 pairs of chromosomes - 22 pairs of autosomes and 1 pair of sex chromosomes. There are in total 46 chromosomes (23 pairs in 2 copies: 23 × 2 = 46).</span>

8 0
3 years ago
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which climax community would result in an area that has an annual precipitation of 250 cm and an annual average temperature of 1
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The penis is the male copulatory organ, so penis is the answer
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