They are composed of cells and nuclei!
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Answer: They aren't classified as birds because monotremes are mammals, unlike birds. They are referred to as mammals because they have mammary glands responsible for manufacturing and producing milk. Birds cannot do this.
Remodeling is the process by which it occurs. It is a lifelong process. Bone resorption is the first part of the same, in which mature bone tissue is removed from the skeleton. The second part id ossification in which new bone tissue is formed.
Answer:
C. Masks
Explanation:
When we are talking about genetics dominance is a phenomenon of one allele of a gene on a chromosome that masks the effect of a different variant of the same gene on the other copy of the chromosome. Genes don't have parties and sweaters so A is not an option here. They also can't surrender and even if they did they couldn't discuss anything. And they most certainly don't obliterate each other.
The least dense layer of the atmosphere is the exosphere as it is the outer most layer of the atmosphere. Hope it helps!
