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Vlad1618 [11]
2 years ago
12

There are 20 mice in a 5 m2 field ecosystem. The population density of mice is _____.

Biology
2 answers:
Anastasy [175]2 years ago
8 0
The answer is 4 per m^2
maw [93]2 years ago
4 0

its 4 per m2, hope this helps you!


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Fill in the word that best completes each sentence.
cupoosta [38]

Answer: Water is drawn in through small openings on a sponge's body called OSTIA.

The supportive skeleton of a sponge contains SPICULES which provide protection from predators.

Explanation:

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Sponges usually have multiple pores called "OSTIA" on their bodies that allow water to enter them.

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4 0
3 years ago
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A golf ball is rolling in the grass. What must happen to stop the ball from continuing to roll?
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In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

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rr = 50% (or 0.5)

Explanation:

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A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

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8 0
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The name of the glial cell that covers the capillaries in the brain with its perivascular feet, helping to form the blood-brain
blsea [12.9K]

Answer:

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3 years ago
Movement into the "sun belt" is an example of what kind of population movement?
skad [1K]
<span>Sun Belt is the southern region of the United States, it includes Florida, Texas, Arizona, and California. P</span><span>eople moved south to avoid the freezing winters of the North. </span><span>
Movement into the "sun belt" is an example of the population movement - migration. </span>
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3 years ago
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