Prior to the 1940s, many biologists thought that ____, being made up of 20 types of ____, was the best
candidate for genetic material.
a. protein; amino acids
b. DNA; amino acids
c. protein; nucleotides
d. DNA; nucleotides
e. RNA; nucleotides
A
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Which of the following statements about Archaeopteryx is FALSE?
A. It is the ancestor of modern birds. B. It shows a combination of reptilian and bird -like features. C. It provided clear evidence of the close relationship between birds and dinosaurs. D. It had a long, bony, reptilian tail. E. It had asymmetrical feathers like a modern bird.
The cells that make up muscle tissue are called _________
a. macrophages b. simple squamous epithelium c. red blood cells d. myocytes
Organisms belonging to the same Phylum would be more closely related then organisms belonging to the same class.
A. True B. False
An underwater volcano has erupted, and as the lava cools a new island has formed. Which types of animal species are likely to be among the first to colonize the island? (Check all that apply)
A. bats B. snakes C. birds D. tortoises E. annelids F. snails G. tapirs H. insects