As a scientist, which of the following would you use as evidence to propose changing the traditional animal
phylogenies?
a. fossil record
b. molecular data
c. predator-prey relationships
d. newly discovered prokaryotes in soil
e. better electron microscope pictures of cells
b
You might also like to view...
When a neurotransmitter released from one neuron binds to a ______ on a second neuron, that neuron depolarizes and fires.
A. G-protein coupled receptor B. nuclear receptor C. voltage-gated ion channel D. enzyme-linked receptor E. ligand-gated ion channel
An example from the text contrasts two forests, each with 10 species and a total of 50 trees. In the first forest, 39 of
the 50 trees represent the dominant species. The second forest has 5 of each of the 10 different species. What conclusion can be drawn regarding these two forests?
a. The amount of animal species in each forest would be the same. b. The first forest is more diverse than the second. c. The first forest must have had some human interference. d. The second forest is more diverse than the first. e. The second forest must have had some human interference.
Plants require sulfur as a nutrient because some important cell components have sulfur in their composition. Which of these biomolecules contain sulfur?
a. cellulose b. ATP c. methionine d. fructose
Which nonbird reptiles have a four chambered heart?
a. snakes b. turtles c. lizards d. crocodilians e. amphibians