Possible variations of a gene that controls a specific trait A) Heredity

B) Phenotype

C) Gene

D) Allele

Describe pasteur’s results and how they disprove spontaneous generation.

How do adaptation affect a species?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.