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life science chapter 10 vocab
Terms in this set (36)
An invertebrate with a soft, unsegmented body; most are protected by a hard outer shell.
open circulatory system
A circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood
An organ that removes oxygen from water
A mollusk with a single shell or no shell.
A consumer that eats only plants.
A consumer that eats only animals.
An organ covered with teeth that mollusks use to scrape food into their mouths
A mollusk that has two shells held together by hinges and strong muscles.
An animal that eats both plants and animals
An ocean-dwelling mollusk whose foot is adapted as tentacles that surround its mouth.
An invertebrate that has an external skeleton, a segmented body, and jointed appendages.
hard protective structure developed outside the body, as the shell of a lobster
the process of shedding an outgrown exoskeleton
an appendage attached to the head that contains sense organs
An arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae.
change of form
An arthropod with two body sections, four pairs of legs, and no antennae.
the hind section
a class of small arthropod animals that has three separate sections to their bodies: head, thorax, abdomen
Insect development consisting of four stages: egg, larva, pupa, and adult
an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult
A type of metamorphosis in which an egg hatches into a nymph that resembles an adult, and which has no distinct larval stage.
A stage of gradual metamorphosis that usually resembles the adult insect.
A series of steps in which organisms transfer energy by eating and being eaten
How organisms interact with one another and with their environment. The environment consists of living and nonliving components.
An organism that can make its own food.
An organism that obtains energy by feeding on other organisms
An organism that breaks down wastes and dead organisms
an insect that carries pollen from one flower to another
A chemical intended to kill insects and other organisms that damage crops.
the intentional release of a natural enemy to attack a pest population
A radially symmetrical marine invertebrate that has an internal skeleton and a system of fluid-filled tubes.
An internal skeleton
water vascular system
A system of fluid-filled tubes in an echinoderm's body.
hydraulic, hollow, thin-walled tubes that end in suction cups and enable echinoderms to move