Question | Answer |
a struggle for a limited amount of resources | competition |
mix of all living and non-living things that exist in an area | ecosystem |
area where an organism lives and gets what it needs | habitat |
the role a species has in an ecosystem | niche |
group of organisms with similar traits that can successfully reproduce with each other | species |
organisms that are the same species and live in the same area | population |
a group of populations that interact with one another in a particular area | community |
a large region on earth that has certain types of organisms and a certain climate | biome |
the population of an area is larger than the food supply for that population | overpopulation |
a series of changes in an ecosystem after it has been disturbed | succession |
the number of different species in an ecosystem | biodiversity |
organisms that make their own food | producers |
organisms that must eat other organisms for energy | consumers |
organisms that break down dead organisms or waste from organisms and return nutrients to the soil | decomposers |
animal that eats only plants | herbivore |
animal that eats only animals | carnivore |
animal that eats plants and animals | omnivore |
organism that hunts other organisms for food | predator |
organism that is hunted as food | prey |
organism that gets food from dead animals | scavenger |
describes how energy is passed from one organism to another | food chain |
shows the many food chains in an ecosystem | food web |
anything that can affect an organism | environment |