Which is observation proves that a cell is a eukaryote? A. it has DNA in the cell
B. it has ribosomes inside the cell
C. it has enclosed organelles inside the cell
D. it is surrounded by a cell membrane

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

What are some things that limit population growth?

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms