Which statement best describes the concept of alternation of generations?
a. One generation of plants is skipped every other year.
b. There are two phases, a sporophyte and a gametophyte.
c. The parental generation alternates with a juvenile generation.
d. A green sporophyte phase produces food for a nongreen gametophyte.
d
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The extinction of the _____ during the end-Cretaceous mass extinction allowed mammals to diversify through the process of _____
A. ammonites; peripatric speciation B. dinosaurs; peripatric speciation C. dinosaurs; adaptive radiation D. ammonites; adaptive radiation E. cephalopods; adaptive radiation
A whale belongs to the artiodactyls group of animals
Which of the following also belong to this group? a. pigs b. cows c. hippopotamuses d. deer e. all of these belong
The classic study of Washburn and Cannon was the perfect collaboration: Cannon had the ideas, and Washburn could swallow a(n) ___________.
What will be an ideal response?
Fossils are aged by a process that examines the ________ of known radioactive elements
Fill in the blank(s) with correct word