The idea that sporophyte and gametophyte generations follow one another in a plant's life cycle is called
a. gamete and spore
b. haploid and diploid
c. alternation of generations

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.

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.