Plants
Most of a plant's food is made in here.
Leaves
Animals which cannot make their own food are known as these.
Consumers
A food chain shows the flow of this.
Energy
Natural resources that can be replaced in a short period of time are called these.
Renewable resources
The changing of seasons is an example of these.
Slow changes.
During photosynthesis plants give off oxygen and this.
Sugar
Available supplies of food, water, sunlight and space in an environment are known as this.
Resources
A diagram that contains many food chains is known as this.
Food web
Renewable resources that provide us with electrical energy are called...
Alternative energy
Plants take in carbon dioxide from the air and release this into the air.
Oxygen
New plants and animals that people may bring into an ecosystem are known as this.
Nonnative species.
An organism's role in an Ecosystem is known as this.
Niche
A Food Chain may contain producers, consumers
and these.
Decomposers
Minerals and fossil fuels are examples of these resources.
Nonrenewable resources
The population of a species brought into a new area might grow quickly due to lack of these.
Predators
Leaves contain very thin, long cells that form hollow tubes called this.
Veins
This in an environment may keep a population size from getting too large.
Competition
Non-living things such as sunlight, water and soil are referred to as...
abiotic
Any substance that damages the environment is known as this.
Pollution
A swarm of locust that eat of all a population's plant life is an example of this.
Fast changes
These 3 types of tissue are found in plant leaves.
Epidermis tissue, palisade tissue, and spongy tissue.
Animals which eat both plants and animals are known as these.
The parts of an organism that allow the organism t survive are called these.
Structural adaptations.
An attempt to preserve or protect an environment from harmful changes is known as this.
Conservation
A fire might help a forest grow by clearing out the forest floor, giving plants more living space and more access to this.
Sunlight