vocabulary week 4
Terms in this set (10)
A species that no longer exists.
The process by which the female reproductive cell (egg) is united with the male reproductive cell (sperm or pollen).
A diagram representing the transfer of energy from the Sun through producers and a series of consumers.
A push or a pull that one object exerts on another object with or without direct contact (e.g., friction, gravity). See also balanced forces and unbalanced forces.
A force that opposes motion through direct contact
The process by which plants begin to grow from seed to spore or from seed to bud.
A property of a mineral that describes how easily it can be scratched.
Half of Earth (i.e., Northern, Southern, Eastern, Western).
An animal that obtains nutrients only from plants.
A measure of the amount of water vapor in the air.