"The cells labeled A and B are examples of cells known as <span>white blood cells"
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Answer: They were originally one species but are now two species
Explanation:
The two insects first belong to the same species but due to the geographical isolation both of the species are separated.
The species earlier used to live in the same geographical area but due to barrier they got separated and now their time of mating is also different.
They have developed differences over a period of time but at some point of time they belonged to the same species.
Answer:
The nuclear envelope disappears at the end of prophase.
Explanation:
Chromosomes become visible, the nucleolus disappears, the mitotic spindle forms, and the nuclear envelope disappears. Chromosomes become more coiled and can be viewed under a light microscope. ... The nuclear envelope disappears at the end of prophase.
Amino acids that are also called proteins