When does fertilization occur? When a sperm cell unites with an egg cell.
When an egg cell undergoes meiosis.
When a sperm cell undergoes meiosis.
When non-disjunction occurs.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

Tides that occur during the new and full moons