Which of these are gametes? (Select all that apply.)
zygote
sperm
spore
egg

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?

About __ of the mass of the cell is water

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human