Which of the following is true?
A) Species on Earth today are but a fraction of all species that ever lived.
B) Bacteria represent a newer form of life, not present during the early prehistory of Earth.
C) The number of species existing at one time has decreased throughout history.
D) Until recent history, extinctions have always happened gradually and on a small scale.
E) Most organisms present early in Earth's prehistory were more complex than modern organisms.
Correct Answer:
Verified
Q1: Which of the following would best represent
Q2: The carrying capacity is the _.
A)limitation on
Q3: Density- dependent factors _
A)include the effects of
Q5: A coyote can alter its diet to
Q6: High population density can _
A)hinder organisms from
Q7: Which of the following are the major
Q8: Groups of organisms with low biotic potential,
Q9: The initial population of Kaibab deer in
Q10: The functional role of a species in
Q11: Extinction is _
A)something that occurs only rarely
B)a
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