For a species with four pairs of chromosomes, gametic combinations are possible. Group of answer choices

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Injuries in the environment are a result of