For which of the following is there fossil evidence of 100 extinct species from five continents, with
only one extant species?
a. humans
b. birds
c. marine mammals
d. insects
e. horses
E
You might also like to view...
If you share 99% of your nucleotide sequence with a chimpanzee and only 50% of your alleles with your own daughter, why aren't you more closely related to the chimpanzee than your own daughter?
What will be an ideal response?
If a new species with root-like structures is discovered, how could you tell if it is a plant or a
fungus?
a. Compare the composition of the cell walls. b. Look for green coloration. c. Look for the presence of chloroplasts. d. All of these would be useful
Would a calcium deficiency be more likely to cause excess water loss or a carbon dioxide shortage for
a plant (hint: think of the stoma)? What will be an ideal response?
Which of the following groups would contain the largest number of organisms?
a. class b. order c. phylum d. family