What is cope's rule, and what is a potentially valid explanation for cope's rule as an driven evolutionary trend, at least for any animal species that swims, crawls, or walks?

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

This is so important ugh its 25 points

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees