A(n) __________ is an area where all precipitation drains into a specific waterway, then on to groundwater, which becomes a source of water for plants.
Fill in the blank(s) with the appropriate word(s).
watershed
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At one point in human development, tissue that connected the fingers and the hand appeared to be "webbed." Enzymes eventually destroy the cells of the webbing and the fingers separate. Where are these enzymes probably liberated from?
a. from the nucleus b. from the smooth endoplasmic reticulum c. from the chromosomes d. from the lysosomes
A type II survivorship curve, drawn by plotting the number of individuals in a given population alive at the beginning of each age interval, is characterized by
A. most individuals dying of old age. B. most individuals dying during their reproductive years. C. individuals dying at a constant rate throughout time. D. many individuals dying early in life.
Which of the following function as opsonins?
A) antibodies B) antigens C) complement fragments D) both a and c
Penicillin G is frequently injected but not normally given orally because it is rapidly degraded in the stomach.
Answer the following statement true (T) or false (F)