This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
A the flowering of the four oclock plant at the same time
Answer: B. Closed
In a closed circulatory system is the one in which the blood is circulated to all the parts of the body of the organism through vessels of different length and width. In this system the blood is pumped from the heart through blood vessels where it is transported to different organs and cells of the body instead of filling up the body cavity.
Infinity, the concept of something that is unlimited, endless, without bound. ... Spatial and temporal concepts of infinity occur in physics when one asks if there are infinitely many stars or if the universe will last forever.
Answer: disrupts ability to fight disease
Explanation: Stress may disrupt homeostasis. Your heart may beat more rapidly or your breathing may increase because your stress, disrupting homeostasis.
