Comparisons of genetic information from various invertebrate groups has
a. confirmed nearly all classifications that were based on phenotypic resemblances.
b. provided a complete and final picture of animal phylogeny.
c. led to a decision to forgo formal classification of animals, as animal relationships are too
complex to determine.
d. led to a reworking of the classification of animals that is still being refined.
e. confirmed that some invertebrates should be classified as vertebrates.
D
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____ is the most common form of food capture by animals
Fill in the blank with the appropriate word.
Clams and oysters are:A
detritivores. B. herbivores C. omnivores. D. carnivores. E. filter feeders
Which situation would allow gene expression to continue?
A) X-chromosome inactivation B) an increase in proteases C) an increase in repressor proteins D) a reduction in nucleases
Neandertals were members of
a. Australopithecus robustus. b. Homo habilis (early Homo). c. Homo erectus. d. Homo sapiens. e. none of these.