4. A star's stellar mass will influence its life cycle. (10 points) A. What happens during the life cycle of a star with one stellar mass? (4 points)
B. What happens during the life cycle of a star with two to three stellar masses? (4
points)
C. What is left behind after a star with four or more stellar masses has died? (2 points)

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

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.

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp