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Anastasy [175]
3 years ago
15

Bears stop coming to a river ecosystem where they have been eating many fish each day. The fish the bears eat

Biology
1 answer:
Veronika [31]3 years ago
3 0

Answer:

Both the larger and the smaller fish populations grow quickly but then die out because the plant life is

insufficient for them all to eat

Explanation:

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Phagocytosis is the process by which immune cells engulf and then destroy bacteria
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When comparing the skin cells from a dog to bacterial cells which observation would be false
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Answer:  the dogs skin cells contain cell walls<span>
When comparing the skin cells from a dog to bacterial cells, which observation would be false?</span>
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3 years ago
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A ____ is the underlying combination of genetic material present (but outwardly invisible) in an organism.
Alex

Answer:

D (Genotype)

Explanation:

A genotype is the genetic make up of an organism i.e. what the genetic material

of an organism constitutes. Genotype describes the set of genes contained in an organism's genome. According to Mendel, an organism receives two forms of genes called ALLELE for a trait, one from each parent. The genotype of a specific gene coding for a trait is represented by each pair of allele for that trait.

Although the genotype of an organism is outwardly invisible i.e. cannot be seen, but it determines the phenotype of that organism i.e. the outward appearance. For example, if a plant receives T and T alleles coding for tallness, from each parent. The genotype of that plant for the specific height trait will be (TT). Hence, the TT genotype although invisible but controls the tallness of the plant.

5 0
3 years ago
Atoms with a low electronegativity, like calcium, might bond with ____________.
TiliK225 [7]

The answer is A.The calcium atom must bond with an atom of high electronegativity (like fluorine) because the higher electronegativity atom will bully the low electronegativity atom and take away its electrons.

These are the choices:

A. an atom with a high electronegativity, like fluorine

B. another atom with a low electronegativity, like lithium

C. another atom that would like to share electrons

D. no other atoms because it's too weak to bond with anything


7 0
3 years ago
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Suppose that in humans the ability to roll the tongue (R) is dominant to being unable to roll it (r), and having freckles (F) is
tatuchka [14]

Answer:

1/4

Explanation:

A heterozygous woman for both traits (RrFf) marries with a man with no freckles (ff) who can't roll his tongue (rr).

The cross is: RrFf X rrff.

The woman can produce the gametes <em>RF, Rf, rF </em>and <em>rf</em>

The man can only produce <em>rf </em>gametes.

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  • 1/4 Rrff Freckled, unable to roll tongue
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4 0
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