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100
A natural predator or disease used to combat a pest insect.
What is biological control
100
The study of how organisms interact with their environment.
What is ecology
100
A stage of gradual metamorphosis that usually resembles the adult insect.
What is nymph
100
An arthropod’s midsection, to which its wings and legs are attached.
What is thorax
200
A type of metamorphosis characterized by four dramatically different stages.
What is complete metamorphosis
200
An internal skeleton.
What is endoskeleton
200
A chemical designed to kill a pest animal.
What is pesticide
200
Extensions of an echinoderm’s water vascular system that stick out from the body and function in movement and obtaining food.
What is tube feet
300
An organism that obtains energy by feeding on other organisms.
What is consumer
300
A series of events in which one organism eats another and obtains energy.
What is food chain
300
An animal that carries pollen from male reproductive structures to female reproductive structures in plants.
What is pollinator
300
A system of fluid-filled tubes in an echinoderm’s body.
What is water vascular system
400
An organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water.
What is decomposer
400
A type of metamorphosis in which an egg hatches into a nymph that resembles an adult, and which has no distinctly different larval stage.
What is gradual metamorphosis
400
An organism that can make its own food.
What is producer
500
A radially symmetrical invertebrate that lives on the ocean floor and has an internal skeleton and a water vascular system.
What is echinoderm
500
An arthropod with three body sections, six legs, one pair of antennae, and usually one or two pairs of wings.
What is insect
500
The third stage of complete metamorphosis, in which an insect changes from a larva to an adult.
What is pupa