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tresset_1 [31]
3 years ago
9

Help it's 7th grade science

Biology
2 answers:
sineoko [7]3 years ago
8 0
It’s the doctor of all systems
Solnce55 [7]3 years ago
5 0

Answer:

general practitioner

Explanation:

A nephrologist generally sees patients who are referred by their primary care physicians or general physicians for problems related to the kidneys

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Which is an abiotic factor that helps determine the characteristics of a biome?(1 point)
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Answer:

<h2>an ostrich an ostrich an ostrich </h2>
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How are fish often preserved?
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... Organisms often preserved<span> by carbonization include </span>fish<span>, leaves and the woody tissues of plants.</span>
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4 years ago
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In a given population, only the "a" and "b" alleles are present in the abo system; there are no individuals with type "o" blood
Sveta_85 [38]

The frequency of allele is illustrated as the ratio of that specific allele in the population. As one knows that as the humans are diploid, so the total number of alleles is double of the total number of people in the population.

In order to determne the allele frequencies for A and B, there is a need to know that the persons with type A blood are homozygous AA, the persons with type AB blood are heterozygous AB, and the persons with type B blood are homozygous BB.

The frequency of A is:

2*(number of AA) + (number of AB) divided by 2 * (total number of individuals)

Therefore,

{2 * (200) + (75)} / 2 (200 +75 +25)

This comes out to be 475/600 = 0.792. Thus, p = 0.792.

Since, q is 1 - p

Then, q = 1 - 0.792 i.e 0.208.

4 0
3 years ago
a species of fish is unintentionally introduced into a marine ecosystem. The species has a similar diet to an existing fish spec
lesya692 [45]
Natural selection - in this case would be one of the fish survives and the one who gets less resources dies, due to the two species fighting for the same resource
6 0
3 years ago
In gymnosperms and angiosperms, seeds disperse the ________ stage of the life cycle and in mosses and ferns, spores disperse the
Scrat [10]

Answer:

The correct answer is - sporophyte and gametophyte.

Explanation:

In seed producing plants such as gymnosperm and angiosperms the sporphytic part of life cycle is more dominant than the gametophytic part of life cycle. Sporophyte life cycle arise just after the formation of the zygote formation from fertilization of the gametes. The seeds are sporophytic structure that are dispersed to grow and be a full sporophytic plant with root, stem and leaves.

In mosses and ferns the case is different as there are no seed forming present the spores that are gametophytic as has n number of chromosome disperse to produce gametophytic plants that are comparatively small to sporophytic ones.

Thus, the correct answer is - sporophyte and gametophyte.

4 0
3 years ago
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