What are possible effects of long-term environmental changes? check all that apply.
1. adaptation
2. extinction
3. migration
4. speciation
5. starvation

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .