When a 1-month-old baby is shown a piece of white paper with two dark, eye-sized spots, the baby will
A) smile.
B) vomit.
C) exhibit avoidance actions.
D) not respond to a stimulus of this nature.
E) exhibit fright.
A
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Which of the following is the correct order of the stages of meiosis?
a. prophase I, metaphase I, anaphase I, telophase I, cytokinesis, prophase II, metaphase II, anaphase II, telophase II, cytokinesis b. prophase I, prometaphase I, metaphase I, anaphase I, telophase I, cytokinesis, prophase II, prometaphase II, metaphase II, anaphase II, telophase II, cytokinesis c. prophase I, metaphase I, prometaphase I, anaphase I, telophase I, prophase II, prometaphase II, metaphase II, anaphase II, telophase II, cytokinesis d. prophase I, metaphase I, prometaphase I, anaphase I, telophase I, prophase II, metaphase II, prometaphase II, anaphase II, telophase II, cytokinesis
By definition, a nerve is
a. a bundle of sensory, motor, or both types of nerve fibers outside the central nervous system. b. a single extension of a neuron. c. the same as a neuron but within the central nervous system. d. a collection of nerve cell bodies outside the central nervous system. e. a fiber more than ten inches in length.
The distribution of species is rarely determined by minimum and maximum temperature tolerances
Indicate whether the statement is true or false
DDT is an insecticide that kills a large spectrum of insects and causes the breakdown of reproductive fitness in birds. DDT accumulates in the food chain. Which of the four feeding guilds of birds has the highest proba-bility of extinction?
a. low in food chain and insectivore c. frugivore b. high in food chain and insectivore d. nectarivore