Your baby goes through a period of rapid change after conception known as the embryonic stage. The infant is referred to as an embryo at this point. The eyes form between days 21 and 28.
<h3>What is meant by the embryonic stage?</h3>
Your baby goes through a period of rapid change after conception known as the embryonic stage. From the fifth to the tenth week of pregnancy, this phase lasts. The infant is referred to as an embryo at this point. The embryonic stage is when a lot of changes take place.
An embryo exists the first stage of a multicellular organism's development. Embryonic development is the phase of the life cycle that starts right after the male sperm cell fertilizes the female egg cell in sexually reproducing organisms.
The embryo is about the size of a pea at four weeks old. The head is defined by crudely drawn eyes and ears, and tiny bumps serve as the body's arms and legs. The embryo also has a developing nervous system and its head is growing.
Therefore, the correct answer is option d. The eyes form between days 21 and 28.
To learn more about the embryonic stage refer to:
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<u>Answer:</u>
<em>Dark rich organic material formed as a top layer in soil from the decayed remains of plants and animals is called humus. </em>
<u>Explanation:</u>
When dead parts of plants and animals are deposited in soil the <em>decomposing bacteria present in the soil act on these remains and break them down. </em>
Plant and animal bodies contain organic compounds which are broken down into inorganic nutrients by the decomposers. These nutrients are taken up by producers and the nutrients restart their journey in the food chain.
<em>Humus is identified by its rich dark color. The amount of humus decides how fertile the soil is. More the humus content fertile is the soil. </em>
A pollen, Most plants produce asexually , and pollen is produced.
Answer:
Scientists estimate that at least 99.9 percent of all species of plants and animals that ever lived are now extinct.
Explanation:
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Answer:
overachievers
Explanation:
The youngest children, according to Adler, may be spoiled, leaving the middle child with the opportunity to minimize the negative dynamics of the youngest and oldest children. Despite popular attention, research has not conclusively confirmed Adler’s hypotheses about birth order. (Spielman et al. 2020).
