6. Tetrahymena is a protozoan that lives on the skin, eyes, and muscles of guppy fish it causes lesions in the eye and a condition known as "popeye." Which best describes the relationship between and
guppy fish?
A commensalism
B mutualism
C parasitism
D predation

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

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Matched chromosomes carrying information about the same characteristics in the organism are called