Experimentally offering newborn coastal and inland garter snakes banana slugs demonstrated that ________
a. only the coastal variety of garter snakes carry the for gene
b. coastal garter snakes instinctively reject toxic banana slugs
c. there is a genetic basis to food preference in garter snakes
d. snakes eat whatever food provides the appropriate stimulus to their nervous system
c
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Which tissue has very little extracellular matrix, acts as an insulator, and is used to store chemical energy?
a. loose connective tissue b. blood c. cartilage d. fibrous connective tissue e. adipose tissue
The different chipmunk species correspond to the different tree species along an elevational gradient. This is likely because
A) each chipmunk species depends on the specific tree species for habitat. B) lodgepole trees and lodgepole chipmunks prefer warmer temperatures. C) the fundamental niche of yellow-pine chipmunks is limited to middle elevation. D) several resource factors for both groups change with elevation.
Examples of "new" features, which include wings on insects, flowers on plants, and feathers on birds,
are referred to as: a. preadaptations. b. allometric growth. c. allopolyploidy. d. paedomorphosis. e. punctuated equilibrium.
You are interested in designing an experiment to test the hypothesis that frogs use the same genetic code as humans. Which of the following experiments would not give you useful data to test this hypothesis?
A) Purify tRNAs from frog cells and human cells and compare their structures. B) Insert a human gene into a frog cell and see if the correct protein is produced. C) Insert a frog gene into a human cell and see if the correct protein is produced. D) Compare nucleotide sequences of promoters from similar frog and human genes.