The Latin phrase omnis cellula e cellula refers to a cellular principle. Which of the following statements is the best translation of this phrase?
A) Tissues are composed of similar cells.
B) Cells generally are found in clusters.
C) All cells arise only from preexisting cells.
D) Organs are composed of tissues and cells.
E) The cell is the basic unit of structure.
C) All cells arise only from preexisting cells.
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Mason and Clark concluded that starlings who decorated their nests with wild carrot sprigs did so as an adaptation responding to ________
a. competition for mates b. wild carrot as a nutritious source of food c. the need to camouflage nests from nestling-eating ravens d. parasitism of the brood by bloodsucking mites
While related species do share similar genomes, it is the diversity in genes that makes them phenotypically different. How do most genes change and lead to species diversity?
a. deletions b. additions c. translocations d. any type of mutation e. substitutions
The discovery of identical plant and animal fossils by Alfred Wegener in 1915 on either side of the Atlantic Ocean is
evidence of ____.
a. analogous structures b. catastrophism c. plate tectonics
d. comparative morphology e. the great chain of being
____ is the study of body plans and structures
among groups of organisms. a. Embryology b. Molecular archeology c. Evolution d. Comparative morphology e. Composition