Answer:
A) vesicle
I think this is the right answer, i may be incorrect.
The endocrine system<span> refers to the collection of </span>glands<span> of an organism that </span>secrete hormones<span> directly into the </span>circulatory system<span> to be carried towards distant target organs. The major </span>endocrine glands<span> include the </span>pineal gland<span>, </span>pituitary gland<span>, </span>pancreas<span>, </span>ovaries,testes<span>, </span>thyroid gland<span>, </span>parathyroid gland<span>, </span>hypothalamus<span>, </span>gastrointestinal tract<span> and </span>adrenal glands<span>. </span>
B. The boiling point would be lower; water boils at lower temperatures at high altitudes.
A tolerance range is an environment where something can survive in. But if their is to much of one factor or to little this can effect the tolerance range.
Calcareous ooze<span> is a form of calcium carbonate derived from planktonic organisms that accumulates on the sea floor. ... Below this depth, calcium carbonate begins to dissolve in the ocean, and only non-</span>calcareous<span> sediments are stable, such as</span>siliceous ooze<span> or pelagic red clay.</span>