Answer:
primary oocyte ® meiosis I ® secondary oocyte ® meiosis II ® ovum
Explanation:
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C. Dinosaur footprint as it is the only body part that is stated in the choices.
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Embryonic development involves process of formation and development of an embryo. In humans, during the early stages, 10 weeks of embryonic development, all the major body organs are formed.
Answer:
D
Explanation:
Asexual reproduction (requiring one parent) forms exact copies of the parent cell. The type of cell division that produces exact copies is mitosis. Therefore the answer is D.