Multiple Choice
In what way did the sea star, Pisaster ochraceus, act as a keystone species in the Robert Paine study of rocky shore communities in the Pacific Northwest?
A) It was the most abundant species.
B) It outcompeted most other species in the community.
C) It prevented overpopulation of mussels in the community.
D) It provided food for several other species in the community.
E) It was the largest species and took up most space in the community.
Correct Answer:
Verified
Correct Answer:
Verified
Q60: The microscopic roundworm Caenorhabditis elegans is a
Q61: Hyenas can obtain as much as three-fourths
Q62: In many areas of the Rocky Mountains,
Q63: At some water bird breeding colonies, the
Q64: Most trees are dispersed by means of
Q66: Termites live on cellulose, mostly derived from
Q67: Suggest conditions under which an animal might
Q68: The yucca and the yucca moth have
Q69: An herbivorous insect feeds on a plant,
Q70: According to studies, when ant colonies are