Rewrite the following incorrect statement with the correct answer:

Biology

1 answer:

koban [17]3 years ago

8 0

Explanation:

Endogenic forces work towards the middle of the earth...creating pressure causing cracks, pits..

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Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two disti

alina1380 [7]

Answer:

sympatric speciation

Explanation:

Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.

The steps for sympatric speciation are:

An ancestral species inhabit a geographic area.
With time, different populations of the same species occupy different niches or microhabitats in this general area.
As the microhabitats are different, they have different environmental pressures that are acting on each population.
These pressures lead to the origin of differences between groups, which need to adapt to each environment
Each population suffers genetic changes due to environmental conditions. These changes are inheritable.
With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.

In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. Speciation occurs in the same distribution area of the original species. The new species originate in a place with no physical barriers but different environmental pressures.

In the exposed example,

The introduced Cichlid fishes 200 years ago → Original species and the common ancestor between the new derivated species
The lake → general geographic area
The main lake and the streams → Microhabitats or niches with different pressures each
The groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups. → Speciation process.

7 0

3 years ago

Pls help Me with the right answer

n200080 [17]

Answer:es la b

Explanation:por que los homungulos no hacen parte e de eso

7 0

3 years ago

Read 2 more answers

Suppose a particular species of tulip plant has three alleles for the gene that codes for flower color. The CR allele produces r

finlep [7]

Answers: