3 years ago

The bending of waves as they enter a different medium is called?

1 answer:

Ivan3 years ago

4 0

This process is called refraction. It occurs because the mediums are different densities, so the light moves at a different speed and appears to bend.

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In a population of plants with a diploid number of 12, a new individual appeared with a chromosome number of 24. If this organis

Fynjy0 [20]

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A) sympatric speciation

Explanation:

Sympatric speciation leads to formation of new species from the existing one without the change in their location i.e. they share the same habitat but still become reproductively isolated from each other. It usually occurs in plants when they exhibit polyploidy.

Here, the plant species had originally 12 chromosomes and amongst them a plant appeared with tetraploid 24 chromosomes. Since plants can usually self fertilise, this plant can produce more offspring with 24 chromosomes without requiring a partner. The new plants with 24 chromosomes will form a different species from the original plant with 12 chromosomes.

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The answer is A, delta.

I know this because i had this on USATestPrep and got it correct :D

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