All of the populations of different species that
occupy and are adapted to a given area are
a. the biosphere.
b. a community.
c. an ecosystem.
d. a niche.
e. an ecotone.
Answer: b
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Consider a diploid species where n=5. If an individual of this species was found to have 11 chromosomes, it would be categorized as
A. polyploid. B. aneuploid. C. trisomic. D. monosomic. E. both aneuploid and trisomic.
Will our modern forests eventually become coal?
What will be an ideal response?
If two otherwise dissimilar organisms share similar genomic DNA, to what would you attribute the genomic similarity?
A. The shared genes are ancient and probably no longer function within the altered physiological states of modern organisms. B. The shared genes have evolved a number of times and have no phylogenetic significance. C. The two taxa are more closely related than formerly believed. D. The shared genes developed early in evolution and are likely to be applicable to a wide diversity of organisms. E. DNA is not a reliable basis for phylogenetic decisions.
What are nutrients that the human body requires in large quantities?
What will be an ideal response?