A behavior that an animal doesnt learn is an?

Which individual below would be considered heterozygous? a. dd b. dd c. dd

When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.

What is the importance of dna replication to all living organisms?