Fernanda is working on a physics project. she is experimenting by rolling a marble down a ramp and then seeing how far it rolls along the floor after leaving the ramp. which would be the dependent variable in fernanda’s experiments?

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds