Ecosystems 1
a non-living factor
What is abiotic?
A living factor
What is biotic?
What is a habitat?
A place where an organism lives; its "address"
3 examples of biotic factors
Plants, animals, fungi, bacteria
What shows the flow of energy?
The arrows in a food chain and food web represent this
What is a consumer?
An animal that eats plants or other animals and does not make its own food.
What is a producer?
An organism that uses sunlight to create its food
What is a population?
A group of the same species living in the same place at the same time
What is a food chain?
the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
What is photosynthesis?
the process in which plants create energy from the sun
What is a community?
A group of populations of organisms interacting with each other in a common habitat
Temperature, water, soil, light, and rocks
What is a food web?
a system of overlapping food chains
What is a herbivore?
An animal that just eats plants
What is trophic level?
The position an organism occupies in a food chain or food web
What is competition?
Competing over resources between different species
What are decomposers?
The term for animals that feed on dead and decaying organisms
What are ecosystems?
living and nonliving things are parts that make this.
commensalism?
when neither organism benefits or is harmed this is called
What is a Secondary Consumer?
An organism that consumes the primary consumer
What is mutualism?
A relationship when both benefit each other.
What is parasitic (or parasitism)?
A mosquito sucking blood from a person is this type of relationship
What is an omnivore?
An animal that eats meat & plants
What is a Pyramid of Energy?
A model that shows energy loss between trophic levels in a food chain
Can a tertiary consumer be a herbivore
no