In the figure above, where do we find the highest species richness?
A) Community 1
B) Community 2
C) Community 3
D) Community 4
E) Communities 2 and 4
Answer: E
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If the right optic nerve were cut, what would still remain?
a. the inner portion of the left visual field and the outer portion of the right visual field b. the outer portion of the right visual field and the inner portion of the left visual field c. the inner portion of the right visual field and the inner portion of the left visual field d. the inner portion of the right visual field and the outer portion of the left visual field e. the entire right visual field
Cardiac muscle cells
a. do not contract by a sliding filament mechanism. b. are similar to those of smooth muscle in being nonstriated. c. have fewer mitochondria than skeletal muscle cells do. d. possess numerous gap junctions on their sides, favoring rapid spread of excitation. e. have intercalated disks with tight junctions at their branching ends.
Protecting the endangered black-footed ferret from extinction involved
A) captive breeding and reintroduction. B) collecting individuals from multiple small populations and combining them into a single large population. C) vaccinating the remaining population against sylvatic plague. D) providing food during harsh winters.
Continuous cell cultures are developed from (embryonic/haploid/neoplastic) cells
What will be an ideal response?