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denis23 [38]
3 years ago
5

Use the following information to answer the following question below. Moss invades and establishes itself on bare rock, accumula

ting the beginnings of soil. After several years, enough soil has become established that grasses begin to grow where there was once bare rock. Without the moss building up soil, the grasses would have had no chance. The establishment of the mosses on bare rock and eventual addition of grasses represents intermediate succession. secondary succession. a climax ecosystem. primary succession.
Biology
1 answer:
umka21 [38]3 years ago
7 0

Answer:

Primary succession.

Explanation:

Ecological succession refers to the changes involved in the species structure of a community that is established in a particular habitat over time. The succession is of two types: the primary succession and secondary succession.

When the succession takes place on the barren land then succession is considered primary succession.

In the given question, the moss invades and colonizes the rocks and breaks them into the soil. Here the moss species is known as the pioneer species and since the moss grows on the barren rock, therefore, is considered the primary succession.

Thus, primary succession is correct.

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What genes/trait found in nature may be helpful if our food was modified to have these traits? Consider how you could modify bot
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Answer:

Disease resistant traits and selective breeding.

Explanation:

Disease resistant traits in wild plants and animals are helpful if these traits are present in our plants and animals in order to maintain its high quality. We can modify both our meat and plants with the help of selective breeding of high quality plants and animals. Due to selective breeding, we can achieve the desired characteristics through modification in our plants and animals.

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Janet installed a dimmer on the lights in her bedroom. She slid the dimmer switch, causing the resistance in the circuit to
Anton [14]

Answer: The correct answers are option(b) and(d).

Explanation:

When the lamp was dimmer  the resistance offered by the lamp was more which just resist the flow current from the circuit.

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Hence, from the enlisted options the correct options option(b) and(d).

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If a population with two alleles is at Hardy-Weinberg equilibrium ad the frequency of one allele is 0.7, what is the heterozygot
Vinil7 [7]

Answer:

B. 0.42

Explanation:

Since the two alleles are at Hardy-Weinberg equilibrium, the sum of the frequency of two alleles will be one. If the frequency of a dominant allele is "p" and that of the recessive allele is "q", then p+q=1

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