Planarians have a branched digestive tract with both a mouth and an anus.
a. true
b. false

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?