The body needs fat for
a. strengthening bones
b. building muscles
c. maintaining weight
d. transport of vitamins

The zone, which exists from a depth of 0 to 600 feet, is home to the majority of ocean life.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

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.