PLEASE HELP ME!! These notes were taken during a class about biological evolution, but the subject title is missing.

-results from immigration
-new genes brought into a population
-variation in a population increases

What do the notes describe?
gene flow
natural selection
genetic drift
mutation

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

In the water cycle , when does water undergo a chemical change

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?