Multiple Choice
Plants called legumes have chambers in their roots that house nitrogen-fixing bacteria. Nitrogen-fixing bacteria get both a place to live and energy while supplying nitrogen to a plant. What is this ecological relationship called?
A) Competition
B) Predation
C) Succession
D) Mutualism
E) Parasitism
Correct Answer:

Verified
Correct Answer:
Verified
Q67: In his study of the foraging behavior
Q68: Parasites are generally smaller than their host.
Q69: What factor most determines the intensity of
Q70: Shade-tolerant plant species are generally found early
Q71: The sea dragon in the illustration displays
Q73: If you find a brightly colored insect
Q74: A keystone species is the most numerous
Q75: Startle coloration is used to attract mates.
Q76: Ornithologists visiting an island find two species
Q77: Harmless king snakes mimic the color patterns