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Nadusha1986 [10]
2 years ago
12

Please help

Biology
1 answer:
KATRIN_1 [288]2 years ago
8 0

Answer:

Step 1: Pollination

In general, male gametes are contained in pollen, which is carried by wind, water, or wildlife (both insects and animals) to reach female gametes. The pollen is deposited on a plant's stigma, which is part of the pistil (the elongated part of a flower extending from the ovary). This process is called pollination.

Step 2: Germination

Within a few minutes, pollen tubes begin growing, or germinating, toward the egg cell. These tubes will provide a path for the sperm carried in the pollen to reach the egg.

Step 3: Penetration of the Ovule

The pollen tubes penetrate the ovule, which contains the female gametes.

Step 4: Fertilization

Sperm travel down the pollen tubes and fertilize an egg. Most angiosperms undergo double fertilization, where both an egg and the polar nuclei in the embryonic sac are fertilized.

Explanation:

^^^^^^^^

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enyata [817]

Answer:

3. multicellular

Explanation:

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sorry, not sure about no. 2

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ivann1987 [24]

Answer:

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Explanation:

In Darwin's theory survival of the fittest, he believed species adapt or change within their environment. So I believe lizards living in a valley would be more safe to lay their eggs but lizards living in the mountains would be viviparous because of the non-predicted and unsafe environment which could harm the better chances of development of the offspring.

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Tresset [83]
The appropriate answer is D ! in this the dominant allele is not fully dominant ! this is seen in Snapdragon !

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nasty-shy [4]

Answer:

b)repair/replacement of damaged cells growth and development

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The cell division that allows the gamete production for reproduction is a different process called meiosis.

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The correct answer is Nucleic Acids. I hope this helps. :)
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