Flukes are most closely related to _____
a. tapeworms c. arthropods
b. roundworms d. echinoderms
A
You might also like to view...
When Darwin covered the tip of a grass seedling with metal foil and then illuminated it from one side, what happened to the seedling?
A. It bent away from the directional light. B. It did not respond to the directional light. C. It grew toward the light, as expected. D. It waved back and forth. E. It wilted and died.
An abrupt and transient change in membrane potential is called a(n)
a. electrical potential. b. refractory potential. c. threshold potential. d. resting potential. e. action potential.
Sponges belong to the phylum
A. Echinodermata. B. Platyhelminthes. C. Porifera. D. Chordata. E. Cnidaria.
Atoms without vacancies are considered to be
a. ions. b. negatively charged. c. positively charged. d. inert. e. highly active