Answer:
Brainliest
Explanation:
During metaphase, the chromosomes that carry genetic information align in the equator of the cell before they split off into two daughter cells with identical genetic material. Metaphase is the third stage of mitosis, which is a phase of the cell cycle where chromosomes in the nucleus are divided between two cells.
Answer:
It between the ages of 25 and 40 years.
Explanation:
Answer:
The correct answer is option (D) there was a time in Pennsylvania history when dinosaur existed.
Explanation: A paleontologist discovers a rock slab on which the footprints of a Pennsylvania dinosaur are well preserved. This means that there was a time in Pennsylvania history when dinosaur existed in this area. Here fossil is a fragment of rock on which the footprints of dinosaur is present.
Microscopical observations show the presence of simple in structure, abundant, and pervasive microorganisms. Researchers at the time came to the conclusion that there was a life force in the air.
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