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3 years ago

Soil aeration is caused by ____.

Biology

2 answers:

ratelena [41]3 years ago

7 0

Answer: earthworms

Soil aeration is a phenomena that is related to the pores present in the soil, these pores allows the exchange of gases by the roots. Roots acquire oxygen from the soil pores from the atmosphere and released out carbon dioxide from the roots leaves the soil from these pores. The earthworms and other insects plays an important role in increasing the soil aeration as these worms are decomposers which feed upon the dead organic matter present in the soil these worms creates bores inside the soil in search of food. The bores helps in exchange of gases within the soil and the external environment.

stellarik [79]3 years ago

6 0

Worms wold be the best n

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¿Cuales son los derechos sexuales y reproductivos?

Ne4ueva [31]

Answer:

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Explanation:

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3 years ago

In a small, isolated population of piranhas, one individual is born with a synonymous mutation in a gene that codes for the beta

IrinaVladis [17]

Answer:

The correct answer is: Genetic Drift.

Explanation:

In any population of any species having two or more alleles encoding for different genes, the frequency of occurrence of each allele among the individuals of a population can vary.
The frequency of one allele may be far more or far less than the frequency of other alleles.
The frequency of any particular allele is dependent on factors like random mating among individuals as well as natural selection, that tends to increase the frequency of those alleles which provide a survival advantage to the individual in a given environment.
Genetic drift can be defined as a phenomenon due to which the frequency of an allele encoding for a particular gene undergoes drastic change (increase or decrease) in a population due to random mating as well as natural selection.
In the given statement, one individual of an isolated population of piranhas underwent synonymous mutation in the beta-globin encoding gene.
A synonymous mutation can be defined as such a change in the nucleotide sequence of a gene that does not affect the sequence, structure or function of the protein encoded by it.
The increase in the frequency of the mutated form of the beta-globin gene after five generations to 5% indicates that due to the impact of random mating or natural selection or both, this has happened.

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4 years ago

How can humans impact the migration of species like mule deer and pronghorn? Support your answer with evidence

Margarita [4]

Answer:

hope it helps

Explanation:

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2 years ago

Read 2 more answers

What organisms eat the same type of food in the kelp forest ecosystem

Umnica [9.8K]

Answer:

Hope this helps

Explanation:

In an ocean ecosystem, many types of fish and turtles are herbivores that eat algae and seagrass. Sea urchins are powerful primary consumers in kelp forests.

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4 years ago

Neurons may be classified according to several characteristics. Which of the following is correct? A. Group A fibers are mostly

den301095 [7]

Answer:

Option (B).

Explanation:

Neurons or nerve cell are the basic structural and functional unit of the nervous system. Fibers are the thread like long projection of the nerve cells.

Neurons are classified into three fibers- Group A fibers, B fibers and C fibers. The group C fibers cannot capable of doing the saltatory conduction of the nerve impulse because they are unmyelinated.

Thus, the correct answer is option (B).

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3 years ago