Photosynthesis and Respiration
_____ is the process that plants use to make food.
photosynthesis
An example of a decomposer is a ____
Worm
Why did bison almost go extinct in the late 1800's?
Overhunting
___ are changes in genetic material
Mutations
___ is (are) made of more than one atom.
Molecules
Plants and animals both use the process of ________ to release stored energy.
Cellular Respiration
Plants are considered ___ because they make their own food.
Producers
What helps protect species from extinction?
Laws, wildlife refuges, conservation efforts
___ is the process where organisms best suited to their environments survive and reproduce.
Natural Selection
___ results in no new substances
A Physical Change
One product of photosynthesis is _____ that animals breathe.
Oxygen
These organisms break down dead things.
Decomposers
Which is a major environmental concern for our oceans?
Oxygen pollution
Differences in traits within a population are called?
Variations
If you start a chemical reaction with 5 atoms of helium, how many atoms will you have after?
5 atoms
Living things that are too small to be seen are called.
Microorganisms
This is the chemical process by which plants make their own food.
Photosynthesis
Which is a nonrenewable natural resource?
Oil
___ is an animal's ability to blend into its environment?
Camouflage
What are properties of matter?
Magnetism, color, odor.
Matter cannot be create or
Destroyed
The overlapping of food chains results in a
Food Web
How much water on this planet is freshwater?
about 3%
__ is the process in which humans choose the desired traits of an organisms.
Artificial Selection
What kind of scientists forms new materials by studying chemical reactions?
Materials Scientists