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ira [324]
3 years ago
12

Compare AND contrast primary and secondary succession.

Biology
2 answers:
Margaret [11]3 years ago
8 0

Answer:

Primary succession occurs following an opening of a pristine habitat, for example, a lava flow, an area left from retreated glacier, or abandoned strip mine. In contrast, secondary succession is a response to a disturbance, for example, forest fire, tsunami, flood, or an abandoned field.In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

Explanation:

Ira Lisetskai [31]3 years ago
6 0

Answer:

The basic difference between primary and secondary succession is the presence of soil. When primary succession begins, soil is not present; in the case of secondary succession, soil is already in place.

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neonofarm [45]

Answer:

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Explanation:

8 0
3 years ago
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Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:_______
Mars2501 [29]

Answer:D

Explanation:

Both parent are Heterozygous for the sickle cell allele.

Both parent have sickle cell trait in which the both posses one abnormal allele of the hemoglobin beta gene (AS heterozygous genotype)

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6 0
3 years ago
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mario62 [17]

Answer:

a. 0.5 grams b. 0.25

Explanation:

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3 0
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