Impulse propagation by myelinated axon is called ____ conduction.
a) myelinated
b) leap frog
c) rapid fire
d) saltatory
e) jump stop
Answer: d) saltatory
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Which definition below is the best definition for probability?
A. The number of times a coin is flipped B. The number of times homozygotic recessives appear through successive generations of a family as compared to heterozygotes C. The chance that an outcome will occur in the future D. The frequency at which homozygous recessive traits are seen in an individual mating
Fairy shrimp are a type of crustacean that is typically found in temporary ponds across the
world, including desert areas and ice-covered mountain lakes. They swim with their ventral side up (i.e., “upside down”) using their leaf-like swimming legs as paddles. Based on this description, fairy shrimp have a __________ ecological niche
a. broad b. narrow c. variable d. herbivorous
Which of the following is considered a tetrapod?
a. parrot b. earthworm c. goldfish d. sponge
Which of the following statements about heritability is true?
A) Broad-sense heritability defines the complete genetic basis of a trait. B) Heritability is fixed for a given trait. C) Traits shared by members of the same family do not necessarily have high heritability. D) Heritability is the measure of the proportion of an individual's phenotype that is due to genetics. E) If a population displays little variation in a given trait, then that trait has low heritability