Afemale is born with attached earlobes, which is a recessive phenotype. which of the following genotypes could her parents have?
a. rr and rr
b. rr and rr
c. rr and rr
d. rr and rr

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Why is excretion necessary to maintain homeostasis?

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan