Explain the difference between a food chain and a food web.
A food web is made of food chains.
200
An organism too small to be seen without being magnified
Microorganism
200
Anything that has mass and takes up space.
Matter
200
A chemical that absorbs certain kinds of light energy
Pigment
200
A link in a food chain
Trophic level
300
The interactions among living things and the nonliving things in their environment.
Ecology
300
The process cells use to release energy from food.
Cellular Respiration
300
What is photosynthesis?
The process where plants use energy from the sun to make food.
300
Explain why there is less energy available as you move up the energy pyramid.
Each time you move up the pyramid 90% of the energy is lost as heat and escapes.
400
An element or combination of elements found in the Earth.
Mineral
400
What is the difference between a population and a community.
A population is a group of organisms of the same species that live in the same area. A community is a group of different species that live in the same area.
400
What is the difference between a producer, consumer, and a decomposer?
Producer makes it's own food, Consumer feeds on other organisms, decomposer breaks down dead organisms.
400
What is the difference between a primary consumer, a secondary consumer, and a tertiary consumer?
Primary is an herbivore that eats plants, secondary is a carnivore that eats the herbivores, Tertiary is a carnivore or omnivore that eats the other consumers.
500
What is the difference between biotic factors and abiotic factors ?
Biotic factors are the living parts of the environment, and abiotic factors are the nonliving parts of the environment.
500
What are the five levels of interaction in the environment? (in order)