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NeX [460]
2 years ago
13

Which reason most likely explains why some species survive mass extinctions on earth? a a broad range of species existed b domin

ant species mutated very slowly c several species filled the identical niche d a powerful species had a wide variety of characteristics
Biology
2 answers:
skad [1K]2 years ago
7 0
I believe the answer is <span> A broad range of species existed</span>
gulaghasi [49]2 years ago
4 0

Yes , the correct answer is A , i just took the test.


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Whats a sentence for biome
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T is tall while t is short. Choose all the genotype(s) for tall individuals.
Furkat [3]

Answer:

Option (A), (C) and (D).

Explanation:

The concept of law of dominance was explained by Mendel while working on the pea plant <em>Pisum sativum. </em>According to this law, the trait which is able to express itself even in hetrozygous condition, the trait is called dominant trait. The trait that are unable to express itself, the trait is called recessive trait.

Here, T means tall and t is short. T shows the dominant trait whereas t is recessive trait. T trait can express itself in heterozygous condition as well. So, TT, Tt and TTTT shows the tall individuals and tt is short individual.

Thus, the correct answer is option (A), (C) and (D).

5 0
2 years ago
If you have a heterozygous yellow-seed plant (Yy), the probability of forming a "Y" gamete is blank. The probability of forming
hram777 [196]

Answer:

<em>The probability of forming a "Y" gamete is 50%. The probability of forming a "y" gamete is 50%.</em>

Explanation:

Mendel was an Austrian monk whose findings led to make the foundation of genetics. Hence, Mendel is known as the father of genetics. He formulated two laws based on the researches he made:

  • Law of segregation
  • Law of independent assortment

According to the law of segregation, alleles segregate independently at the time of gamete formation. There is an equal chance for a gamete to carry the dominant or the recessive allele.

Hence, the probability of a gamete carrying a 'Y' or a 'y" allele will be 50% each.

8 0
3 years ago
Liquid plastic is frozen in a physical change that increases its volume. What can be known about the plastic after the change?
Olegator [25]

Answer: A

Explanation: I DONT KNOW ?

5 0
2 years ago
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