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shutvik [7]
3 years ago
11

When plates slide past each other, the edges of these plate blank zones

Biology
2 answers:
atroni [7]3 years ago
8 0

Answer:

A. Earthquake

Explanation:

When plates slide past each other, the edges of these are earthquake zones. Earthquakes are formed but not volcanoes.

Julli [10]3 years ago
5 0

Answer:

A. Earthquake

Explanation:

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8. In chickens, brown feathers are dominant over red feathers. Suppose we cross two heterozygous chickens.
devlian [24]

Answer:

Crossing two chickens heterozygous for the trait feather color, when brown feathers are dominant over red feathers, will produce offspring with brown and red feathers in a brown:red phenotypic ratio of 3:1.

Explanation:

Knowing that in chickens brown feathers are the expression of the dominant allele (B) and the recessive allele is red (b), crossing two heterozygous individuals (Bb) will result in offspring that are likely to have brown or red feathers.

The cross can be represented by a Punnett Square:

<u>Bb X Bb cross </u>

alleles     B    b

B             BB Bb  

b             Bb bb

Where the result is:

<u>Genotypes</u>:  

  • Bb, 50%
  • BB, 25%
  • bb, 25%

<u>Phenotypes</u>:

  • Brown feathers, 75%
  • Red feathers, 25%.

In this case, the probability of having brown or red feathers is 3:1.

3 0
3 years ago
Angiosperms do not need water for fertilization. Why? (3 points) Group of answer choices Flagellated sperm travel to the ovary i
astraxan [27]

Answer:

A pollen tube grows from the pollen grain into the ovary

Explanation:

Water is needed for fertilization in several plant groups because the sperm needs to swim to meet the non-motile eggs of the female organs.

<em>However in angiosperms, the pollen germinates and a structure known as pollen tube which contains the male gametophyte (sperm) grows into the ovary where the ovule is located and the male gametophyte is deposited in the ovule to initiate the fertilization process.</em>

<em>Hence, water is really not necessary for fertilization in the angiosperms.</em>

5 0
3 years ago
Read 2 more answers
An environmental change is occurring due to continents shifting and moving to different parts of Earth’s surface. What kind of c
vodka [1.7K]

Answer: B

Explanation:

8 0
3 years ago
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When a peptide hormone reaches its target cell, which event happens next?
Anestetic [448]
<span>It binds itself to the receptors present on the surface of the cell membrane, which activates the enzymes present inside cell. Then It passes through the cell membrane and attaches itself to a receptor protein present in the cytoplasm. It passes on the signal to the secondary messengers inside the cell, which activate the receptors on the cell membrane.</span>
3 0
3 years ago
Which part of an apple best represents Earth’s mantle?
Maslowich

A. The Flesh

The answer would be A because the mantle is right under the core, so in an apple that would be considered the flesh.

7 0
3 years ago
Read 2 more answers
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