In red-winged blackbirds, females tend to choose males with the most desirable territories and males compete with each other for territories.True or false: Redwing blackbirds demonstrate both intersexual selection and intrasexual selection.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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In Thomas Hunt Morgan's experiments, the ratio of red-eyed flies to white-eyed flies appeared to follow a simple Mendelian pattern of inheritance. What observation(s) did he make that led to his conclusion that the white-eyed trait was actually not a simple Mendelian trait?

A. He was able to correlate the expression of white eyes to the inheritance of an X chromosome. B. He saw that only males had white eyes. C. He observed that the white-eyed trait was recessive. D. He was able to correlate the expression of white eyes to the inheritance of a Y chromosome because only F2 males had white eyes and the trait is recessive. E. He was able to correlate the expression of white eyes to the inheritance of an X chromosome because only F2 males had white eyes and the trait is recessive.

Biology & Microbiology

Which group of receptors is most important to help a diver maintain an upright position while

exploring a dark passageway in an underwater shipwreck? a. proprioceptors b. nociceptors c. chemoreceptors d. mechanoreceptors e. electroreceptors

Biology & Microbiology

population

What will be an ideal response?

Biology & Microbiology

Bacteria can synthesize unsaturated fatty acids only under anaerobic conditions.

Answer the following statement true (T) or false (F)

Biology & Microbiology