The evolution of which characteristic allowed for the development and enlargement of complex internal organs? a. segmentation b. tissue c. body cavity d. exoskeleton

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

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.

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.