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What is an herbivore?
consumers that eat only plants
What is a carnivore?
consumers that eat only other consumers
What is an omnivore?
consumers that eat plants and animals
What is a consumer?
organisms that depend on producers for food
What is a producer?
organisms that get their energy directly from the sun and change the energy into a form that other organisms can use
What is a food web?
consists of several food chains linked together
What is a food chain?
transfer of nutrients and energy through a community
What is an ecologist?
scientists who study how living things interact
What is a decomposer?
organisms that break down dead things and waste
What is a scavenger?
organisms that eat things that have already died
What is a predator?
an animal that hunts and eats other animals
What is a population?
all the organisms of the same species that live in an ecosystem
What is an ecosystem?
all the living organisms and their environment in a certain section of the earth
What is an individual?
each living member of an ecosystem
What is a competition?
occurs when two or more organisms try to use the same resource
What is an energy pyramid?
how scientists show how energy moves through an ecosystem
What is an adaptation?
any special characteristic or skills that help a living thing survive in its environment
any organism that lives on or inside another organism and takes food from that organism.
What is a niche?
an organism's specific function or job in an ecosystem
What is hibernation?
sleep through the winter and wakes up in the spring
What is commensalism?
relationship benefits one partner but does not help or hurt the other partner
What is mutualism?
interaction benefits both partners
What is symbiosis?
a special partnership when two species interact with one another over a long period of time
What is an environment?
the nonliving part of an ecosystem that includes soil, water, sunlight, temperature, and air
What is an instinct?
God-given basic knowledge and skills needed for survival