A it can be lost during an organisms lifetime
The bear affects the ecosystem by eating plants and animals which lowers invasive species levels.
C...? what's the question
The answer is D. This is an exmaple of incomplete dominance. Red and blue make purple. Because there is no purple alleles, C is false. Because there you can only have 2 alleles total B is false. A is false because having two red alleles makes a red flower.