Select all the correct answers. Betty learned about embryology in her science class. At home, her brother Nathan noticed the human embryo and the fish embryo in her science notebook. He remarked that the embryos looked the same. How can this be true?

Both embryos have pharyngeal arches.
The fish embryo has evidence of lungs.
The human embryo has scaly skin.
Both embryos have fins.
Both embryos have a notochord.

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry