Ecosystems
Living Things
Food Chains/Webs
Energy and Matter
100
What are abiotic elements?
Non-living things in an environment
100
The physical space where an organism lives
Habitat
100
The process by which plants produce sugar
Photosynthesis
100
What cycle does this represent?
Water Cycle
200
What is an ecosystem?
The interactions between biotic and abiotic (living and non-living things) in an environment
200
Sunlight, water, air, food, and ideal temperature represent what?
Needs of all living things
200
What is a food web?
Model that shows connections between several different food chains
200
A system where the amount of matter remains the same over time
Closed system
300
What is the study of living things, non-living things, and their environments?
Ecology
300
What is competition?
When organisms try to use the same basic resources in the same habitat
300
Herbivores, carnivores, and omnivores are all types of _____________
Consumers
300
What is this?
Pyramid of Numbers
400
When populations of different species live in the same area, they form a __________
Community
400
A substance an organism needs to grow and maintain its body
Nutrient
400
Bacteria and fungi are examples of __________
decomposers
400
Something that can be maintained and used indefinitely
Sustainable
500
What are the two main ways humans change their ecosystems?
Farming and Mining
500
What kind of relationship is this?
Aphids secrete honeydew, and ants feed on their honeydew and protect them from predators
Mutualism
500
What are detrivores?
Organisms that feed on decaying matter
500
Making their own food or eating plants/animals are the two ways for organisms to obtain _________.
Energy