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Rufina [12.5K]
3 years ago
12

Habitat change occurs more frequently through natural causes than human activity.. . . . . Please select the best answer from th

e choices provided. . . . . True or False
Biology
2 answers:
nikitadnepr [17]3 years ago
8 0

Answer:

The given statement is False.

Human activities are the biggest reason for habitat change of animals. For example; during formation of dams huge area of forests covers are cut down due to which local tribes, birds and animals have to relocate to the new habitats.

Similarly, with increased rate of deforestation, urbanization, industrialization, and pollution, natural habitats of birds and animals have been depleting at a way faster rate than nature can ever cause.

Temka [501]3 years ago
6 0

Answer:

false just took the test.

Explanation:

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A galloping pony speeds past you at 5 m/s. The frequency of the sound produced by the hooves on the dirt is 221 Hz. Assume the s
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You perform the following dihybrid cross: A blaBx Ab/aB. The A and B genes control different traits. What phenotypic ratio would
Luda [366]

Answer:

Option-D

Explanation:

In the given question the genotype of parental allele is- AbaB X AbaB. The alleles formed will be- AB, Ab,aB, ab in which the crossover allele will be AB and ab.

1. Unlinked genes

Now of these alleles are unlinked then the alleles will assort independently of each other therefore performing the punnett square we will get dihybrid ratio as 9:3:3:1 in which  

1. A_B_ are 9

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3. A_bb are-3

4. aabb- 1

Since the crossover allele are AB and ab therefore A_B_ are 9 and aabb- 1 represent recombinant genotype.

2. Linked genes

When the genes will be linked then chances of crossing over will be reduced as a result of which only two type of allele will be formed which are-  Ab and aB and the recombinant frequency will become less.

Crossing these allele will  form Aabb , AaBb , AaBb  and aaBB  genotypes. The recombinant ratio will decrease as A_B_ is 2 and aabb is not present.

Thus, option-4 which states that the unlinked ration is  9:3:3:1  and linked ratio is  <9: >3: >3: <1 is correct.

7 0
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What sort of information can you get from a body fossil that you can't get from a trace fossil?​
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7 0
2 years ago
Based on the graph above, what conclusion can be drawn about the relationship between temperature and absolute magnitude (bright
Sidana [21]

Answer:

i think it D

Explanation:

Hope it helps

6 0
3 years ago
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