decomposer
Earth is tilted at what degree
23
particles that are tightly packed together
Solid
Group of organisms of the same kind in an ecosystem
Population
Formed as magma cools
Igneous rock
A diagram that shows the energy is lost at each level in a food chain.
energy pyramid
Earth moves
clockwise
Feeling, food, and time are not
Matter
Consists of all the populations that live and can interact in an area
Community
Atmosphere layer we live in
troposphere
transfer of food energy between organisms in an ecosystem
food chain
Earth completes its orbit around the sun in approximately
one year
Particles that are very far apart is called
Gas
Animals that hunt
Predator
Lakes, rivers, and streams are example of
fresh water
group of food chains that overlap
Equinox means
Equal day and night
Mirrors and glass can be identified by its
Reflectivity
Animals that are caught and eaten by predators
Prey
The process by which a gas changes into a liquid
Condensation
Animal that feets on dead plants and animals.
scavenger
The sun is a
Star
Lemonade is an example of a
solution
Initial source of energy
Sun
Process by which a liquid changes into a gas
evaporation