You place different colored liquids in a hummingbird feeder and count how many hummingbirds visit what is the change in liquid

What is the most abundant vertebrate on earth?

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.

The fluid mosaic model of the membrane proposed that membranes