1
an organism that gets its energy directly from the sun and changes the energy into a form that other organisms can use
What is a producer?
all the living organisms and their environment in a certain section of the earth
What is an ecosystem?
the transfer of food energy and nutrients through a community
What is a food chain?
occurs when two or more organisms try to use the same resources
What is competition?
an organism's specific job or function in an ecosystem
What is a niche?
an organism that depends on producers for food
What is a consumer?
environment & living things
What are the 2 parts of an ecosystem?
a food chain always begins with a
What is a producer?
the movement of a whole group of animals from one ecosystem to another ecosystem
What is migration?
food, water, shelter and protection
What do all living things need?
an organism that breaks down dead things and waste
What is a decomposer?
each living member of an ecosystem
What is an individual?
several food chains linked together form a
What is a food web?
any special characteristics or skills that help a living thing survive in its environment
What is adaptations?
What are instincts?
animals that hunt and eat other animals
What is a predator?
all the organisms of the same species that live in an ecosystem
What is a population?
the original source of energy for all living things
What is the sun?
when an animal goes into a deep sleep during the winter
What is hibernation?
any organism that lives on or inside another organism and takes food from that organism
What is a parasite?
animals that eat only plants
What are herbivores?
all the different species that live in a particular ecosystem
What is a community?
a consumer that eats only other consumers
What is a carnivore?
when two species interact with each other over a long period of time
What is symbiosis?
the plant or animal that a parasite lives on or in
What is a host?