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bazaltina [42]
2 years ago
6

If there is less space for natural ecosystems, then _____ may happen to plants and animals living in those ecosystems. *

Biology
1 answer:
oee [108]2 years ago
6 0
The answer is excision
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Color in McIver beetles is determined by two alleles at one gene locus. McIver beetles must have a heterzygous genotype (genotyp
seraphim [82]

Answer: The frequency of brown beetles is 0.32.

Explanation: The frequency of A1 allele is 0.8. As p+q=1, or the sum of dominant and recessive frequencies equals 1 or 100%:

1 - 0.8 = 0.2

In Hardy-Weinberg principle,

p^{2} + 2pq + q^{2} = 1

2pq represents the frequency of heterozygote individuals, so:

genotype A1A2 = 2*0.8*0.2 = 0.32.

Thus, the frequency of brown beetles (A1A2) in the population is 0.32.

3 0
3 years ago
Polar bears give birth and hunt on sea ice. Animals from the Arctic need to have a frozen mass of ice so they can live and have
11Alexandr11 [23.1K]
I think it might be the second one
4 0
2 years ago
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Which statements accurately describe the roles of water on Earth? Check all that apply.
Rashid [163]

Answer:C. It carries cold water from the equator to the poles.

D. It wears away rock and soil.

E. It reflects sunlight that hits the oceans.

(hope this helps)

6 0
3 years ago
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The science community has taken the following stance on Global Climate change. "Climate change is the single biggest environment
Kay [80]

Answer:

Helper.

Explanation:

I will take the position of helper that work for the betterment of environment by reducing such activities that can increase the carbondioxide concentration in the atmosphere. The main reason for this position is the destruction and damages that occurs in the environment and to organisms that are present all around the world. This global warming leads to the extinction of these species so in order to protect them I choose this position.

6 0
3 years ago
Persons with __________ blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibod
Flura [38]

Persons with O blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibody anti-b in their plasma.

ABO blood grouping was discovered by Austrian scientist Landsteiner. It consist of four blood groups- A, B, AB, & O.

Red blood cells have certain extension of the proteins that are called antigen. Two types of antigens are there antigen a & b. The RBCs which have a particular antigen will not have the antibody against the same.

Blood Group A has antigen A and antibody B. Blood group B has antigen B and antibody A. Blood group AB has both antigen and no antibodies while blood group O has no antigen and antibody A & B.

To learn more about red blood cells here

brainly.com/question/17890844

#SPJ4

8 0
1 year ago
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