How does oxygen get across the cel membrane of a single celled organism
that lives in fresh water?
A distribution
B diffusion
C inhaling
D exhaling

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,