Ecosystems Flashcards
What is the definition of an ecosystem?
An ecosystem consists of all the organisms (the community) living in a particular habitat and the non-living components with which the organisms interact
What is a community?
A community is all the organisms living in a habitat.
What is a habitat?
A habitat is the place where organisms live.
What are species?
A species is a group of organisms that can interbreed and produce fertile offspring.
What is biodiversity?
Biodiversity is the number of different species present in an ecosystem.
What does the word population mean?
The word population refers to the total number of one species of plant, animal or microorganism in a habitat.
What is a producer?
A producer is an organism that can make its own food through photosynthesis.
What is a consumer?
An organism that needs to eat other organisms in order to obtain food.
What is a herbivore?
An organism that eats only plants.
What is a carnivore?
An organism that eats only animals.
What is an omnivore?
An organism that eats both plants and animals.
What is a predator?
A predator is an animal that hunts and kills other animals for food.
What is prey?
Prey is an animal that is hunted and eaten by a predator.
What is a food chain?
A food chain is a simple diagram that shows the flow of energy and the feeding relationships starting with one producer.
What is a food web?
A food web is a diagram that shows the flow of energy and feeding relationships of a whole community.
