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.
Neandertals were members of
a. Australopithecus robustus. b. Homo habilis (early Homo). c. Homo erectus. d. Homo sapiens. e. none of these.
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