Which of the following can cause variety in a species? You can pick one then one choice on this question

A. Variety of food sources
B. Asexual Reproduction
C. Sexual Reproduction
D. Mutations
E. Different colored environments

What type of specimens where you able to see under each of the microscopes in the microscope activity

Anybody who knows ap biology, can you friend or message me

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.