How is the process of fertilization in animals like the process that takes place in plants? Spores can become sperm that will fertilize the egg.

Self-fertilization is possible if no partner is available.

A sperm cell and an egg cell combine to form an embryo.

Sperm is encased in a grain of pollen to travel to an egg.

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

What factors contribute to the effect an environmental toxin has on the human body?

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.