Cocci can be spherical as well as kidney-shaped
Indicate whether the statement is true or false
TRUE
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Which of the following mechanisms are causal explanations for bird song?
A. Young males learned their song from their fathers. B. Songs are used by males to attract a mate. C. The ritualization of the vocalization became species specific. D. Air passing through a bird's specialized singing organ, the syrinx, vibrates the surrounding organs.
Evolution can be said to have taken place when
a. a population experiences a shift in allele frequencies. b. a mutation occurs in a population. c. several mutations occur in a population. d. a feature of an individual animal changes through use or disuse. e. a population has different forms of the same gene.
Each amino acid is composed of a central carbon that forms covalent bonds with four other atoms/molecules. These atoms/molecules include each of the following EXCEPT which one?
A) an R group B) an A group C) an amino group D) a hydrogen atom E) a carboxyl group
If you had a black male guinea pig and brown female guinea pig, but you didn't know which was the dominant characteristic, how would you find out the dominant color, assuming the dominant characteristic is homozygous,?
a) Mate them, and then mate their offspring to see what color the next generation is—that will be the dominant color. b) Mate them and see what color the offspring are—that will be the dominant color. c) Mate them together, and then mate their offspring to see what color the next generation is—the other color will be the dominant color. d) Mate them and see what color the offspring are—the other will be the dominant color. e) The dominant color could not be determined by mating the two, and then mating their offspring; further generations would have to be produced to determine the dominant color.