Answer:
Mantle is the answer
Explanation:
The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer, while the crust is the thinnest layer.
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Answer : The correct answer is-
This means that they cannot produce viable offspring and are reproductively isolated.
Mule (which is a sterile that is infertile animal) is produced by mating of horse and donkey.
According to Biological species concept of Ernst Mayor, a group of organism belong to same species if they produce viable and fertile offspring.
This means that organisms belonging to different species are reproductively isolated that is unable to produce viable and fertile offspring.
Thus, reproductively isolated is the right answer.
DNA in the nucleus of eukaryotic cells is collected into a chromatin.
A chromatin is a complex of nucleic acids (DNA or RNA) and proteins called histones which condense to form a chromosome during cell division.
In eukaryotic cells, it is found within the cell nucleus while in prokaryotes, it is found inside the nucleoid .
Its functions are;
1. to package DNA into a smaller volume to fit in the cell.
2. strengthen the DNA to allow mitosis and meiosis.
3. acts as a mechanism to control expression
The chromatin is easily recognized through staining. Its name literally means "colored material."
Answer:
A, the chromosomes dont ¨relax¨.
Explanation:
Chromosomes during telophase are doing all exept A