When a school of fish spawns, the males and females release sperm and eggs into the water. A sperm and egg cell unite to form the first cell of an offspring, which develops independently of its parents. Which term describes this process?
a.
external fertilization
b.
asexual reproduction
c.
parthenogenesis
d.
internal fertilization

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

Which describes a difference between cephalopods and gastropods? cephalopods have a water vascular system, and gastropods have an open circulatory system. cephalopods live only in ocean environments, and gastropods live in a variety of environments. cephalopods have a simple nervous system, and gastropods have a complex nervous system. cephalopods are the largest group of mollusks, and gastropods are the smallest group of mollusks.