Which of these is a body fossil? a. dinosaur nest b. shrimp burrow c. leaf imprint d. claw print

I did this test, and it for me said that the answer is C. Leaf imprint, I would say that D. Claw print is actually a trace fossil not a body fossil :)

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

all eukaryotic cell have mitochondria : )