Explanation:
Development happens quickly during the prenatal period, which is the time between conception and birth. This period is generally divided into three stages: the germinal stage, the embryonic stage, and the fetal stage.
First or the germinal stage- time span: conception at two weeks
development that occurs: the key steps in establishing a pregnancy
Second or the embryonic stage - time span: third through eighth week
development that occurs: the face, eyes, ears, limbs and bones begin to form
Third or the fetal stage- time span: eighth or ninth week through birth
development that occurs: the vocal cords develop, and the digestive system and kidneys begin to function. spontaneous or unplanned, movements are possible by the end of the third month
Answer:
Cell division helps maintain homeostasis in living things because it creates new cells that can be used for growth and repair.
Explanation:
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Pollen cells are plant male gametes. On the other hand, algae cells autotrophic protists.
- Pollen cells and algae cells have DIFFERENT FUNCTION and DIFFERENT SHAPE.
- Algae are autotrophic microorganisms that synthesize their own food
- Algae belong to the Protista kingdom. These microorganisms can be unicellular or multicellular.
- Algae cells have many different forms.
- Pollen cells represent plant male gametes.
- During fertilization, pollen cells fuse with the egg cell to form a zygote.
- Pollen cells have many different forms (generally spherical).
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The specific change in the body that brought about the cessation of life is called the mechanism of death. Mechanism of death is the specific body failure that leads to death. It is the Physiological derangement that results in the death . An example of a mechanism of death is due to a gunshot wound that leads to an extreme blood loss, causing death.