Studies of healthy people indicate that functioning of the human body remains essentially constant until a. after age 70. b. after age 60. c. after age 50. d. age 40.

Which factors changed throughout the mice experiment

Hey everybody, i have another biology question. by what reproductive mechanism does a haplontic animal grow? initially mitosis, then meiosis completely by mitosis completely by meiosis initially by meiosis, then by mitosis

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.