This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

Why should organisms reproduce more offspring than will survive? select all that apply.

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