A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?
A) brown algae
B) golden algae
C) red algae
D) green algae
E) dinoflagellates
Ans: C) red algae
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The gene locus governing flower color in snapdragons exhibits ____ because heterozygous individuals appear pink
while homozygous individuals are either white or red.
a. codominance b. equilibrium c. autosomal dominance d. complete dominance e. incomplete dominance
In deuterostomes,
A. radial cleavage occurs, and the fate of the cells is indeterminate. B. the mouth appears at or near the blastopore. C. spiral cleavage occurs. D. the fate of cells is fixed and determinate.
An organism that grows slowly in the cold but has an optimum growth temperature of 32°C is called
A. a psychrophile. B. an extremophile. C. a thermophile. D. a facultative psychrophile. E. thermoduric.
It is not possible to tell whether skeletal remains are male or female.
Answer the following statement true (T) or false (F)