Unit 3 Topic 1 - Ecosystems
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What is a species?
a group of organisms whos members are able to breed within the species and profuce fertile offspring
What is biodiversity?
the range or variety of species present in an ecosystem
What is a population?
a group of individuals of the same type
What is a producer?
the start if the food web, a green plant ablt to produce its own food using photosynthesis
What is a consumer?
an organism that must consume plants or other animals in order to obtain energy
What is a herbivore?
an organism that only eats plant material
What is a carnivore?
an organism that only consumes animal material
What is an omnivore?
an organism that eats both plant and animal material
What is a predator?
an organism that controlls the population of prey
What is prey?
Food for predators
What is a food chain?
a relationship where one type of organism feeds on the previous one in the series and in turn provides food for the next one.
What is a food web?
Many i relinking food chains
What is a decomposer?
an organism that breaks down dead or decaying matter
What is an ecosystem?
a natural biological area made up of all living things and their non- living environment
what do the arrows in the food chain represent?
The flow of energy
What is a niche?
the role that an organism plays in a community
What is interspecific competition?
competition between two different species for the same or similar resources
What is intraspecific competition?
when the same species are competing for the sane resources, this will be more intense bc they both need the exact same thing to survive
ecosystem=
community+habitiat