Is hair type of genotype or phenotype?

Which animal is a producer in this ecosystem

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

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.