Which two organisms are most closely related?
(1) cyanobacteria and green algae (3) brown algae and red algae
(2) red algae and spinach (4) red algae and cyanobacteria

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

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

Which event would lead to primary succession of a forest?