All the plants or plant life in a place, taken as a whole.
200
matter
What is everything made up of?
200
mechanical energy
Total kinetic and potential energy in an object or system.
200
gravitational force
What is the force of attraction between all masses in the universe?
300
cell theory
The theory that all libing things are composed of cells and cells are the basic unit of structure and function.
300
species
What is a class of individuals having some common characteristics or qualities?
300
nonmetals
What type of elements make up most of our bodies?
300
electric motors
What is a device that concerts electrical energy into kinetic energy?
300
diffraction
The spreading of a wave around corners or through holes.
400
nutrients
Cells are small because _____ can get in more quickly and waste can get out more quickly.
400
Ecosystem
A system formed by the interaction of a community of organisms with their environment.
400
physical properties
What are properties that you can observe or measure without changing the identity of the matter?
400
potential energy
Stored energy to fue position or condition.
400
interference
A device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.
500
animal cells
What has a nucleus, nucleolus, ribosomes, cell membrance, mitochondria, golgi body, endoplasmic reticulum, cytoplasm, vacuole, centrioles, and lysomes?
500
Biome
A complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of region.
500
mass
Besides no volume, what else does energy not have?
500
energy
The ability to cause change, do work, or move things.
500
reflection
The return of light, heat, or sound after striking a surface.