ECOSYSTEMS
What is an ecosystem?
A network of interactions between living and non-living things.
Is water biotic or abiotic?
Abiotic
What is competition?
When organisms need the same limited resource.
What is a producer?
An organism that makes its own food.
What is a food chain?
A model that shows how energy moves from one organism to another.
What level of organization is one living thing?
Organism
Give one example of a biotic factor.
Plants, animals, fungi, bacteria, or algae.
What is predation?
When one organism hunts and eats another.
What type of consumer eats only plants?
Herbivore
What is a food web?
A network of connected food chains.
What is a population?
A group of organisms of the same species living in one area.
Give one example of an abiotic factor.
Water, air, sunlight, soil, rocks, rain, or snow.
What is mutualism?
A relationship where both organisms benefit.
What type of consumer eats only animals?
Carnivore
What do arrows show in a food chain?
The direction of energy flow.
What is a community?
Different populations living together in one area.
What is the difference between biotic and abiotic factors?
Biotic factors are living or once living. Abiotic factors are non-living.
Give an example of competition
Two birds competing for the same nesting area.
What type of consumer eats plants and animals?
Omnivore
What is the producer in this chain: Grass → Mouse → Snake → Hawk?
grass
What is carrying capacity?
The largest population an environment can support.
What is a habitat?
The place where an organism lives and gets what it needs to survive.
Give an example of mutualism.
Bees and flowers.
What is the difference between a decomposer and a detritivore?
A detritivore feeds on dead matter, while a decomposer breaks it down into nutrients.
What is the top consumer in this chain: Grass → Mouse → Snake → Hawk
Hawk