Territorial behavior includes some form of advertisement, threat, and combat
Indicate whether the statement is true or false
TRUE
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If all variation among individuals in a population is due to differing genotypes, heritability is ____, and the slope of the line used to measure it is ____
A. 100%; 0.5 B. 100%; 1 C. 50%; 0.5 D. 50%; 1 E. 0%; 0
Streptomyces are aerobic soil bacteria that produce over two-thirds of our antibiotics. Why might a bacterium produce antibiotics?
A. to kill competing bacteria of the same species B. to protect itself from a host immune system C. to kill viruses that may try to infect it D. to allow it to break down the cell walls of plants E. to kill competing bacteria of different species
A nucleosome consists of DNA wrapped around scaffolding proteins
__________________ Indicate whether the statement is true or false.
A red-eyed female fruit fly is crossed with a red-eyed male fruit fly. All of the female offspring have red eyes but only one-half of the male offspring are red-eyed. The other half of the male offspring have white eyes. In this example, eye color in fruit flies
A. is influenced by the environment. B. is an X-linked trait. C. is controlled by several genes. D. exhibits lack of dominance.