1.
anything that has mass and volume
3.
all living populations and the nonliving parts of an area
4.
protection of natural resources
5.
factor that limits the population from growing
6.
linear path of energy in an ecosystem
7.
several overlapping food chains in an ecosystem
8.
diagram that shows trophic levels and the flow of energy in an ecosystem
10.
an organism that produces its own food through photosynthesis
11.
an organism that consumes its food to obtain energy
12.
a consumer that consumes dead organisms and waste products
13.
a consumer that consumes plants only
14.
a consumer that consumes both plants and animals
15.
a consumer that consumes animals only
16.
protist that makes its own food
17.
an organism that breaks down dead organisms or decaying matter through chemical reactions
18.
also known as a microorganism because it is microscopic and it breaks down organic matter and organic waste
19.
matter from a once living organism
20.
waste products from living organisms
21.
process that changes carbon dioxide and water into glucose and oxygen
22.
building block of matter that is made up of subatomic particles
23.
two or more elements that are bonded
24.
food that is made through the process of photosynthesis
25.
animal that hunts and eats other animals
26.
animal that is caught and eaten as food
27.
refers to water environments
28.
refers to land environments
29.
populations rely on each other for survival
30.
change that occurs when substance rearrange to form new substances
31.
compound or element that changes in the chemical reaction
32.
compound or element that is produced in the chemical reaction
