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Chapter 10 Life Science Vocabulary
Terms in this set (42)
The process of shedding an outgrown exoskeleton.
A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.
A place in the body where two bones come together.
A tissue that contracts or relaxes to create movement.
An organ system that receives information from the environment and coordinates a response.
Any change or signal in the environment that can make an organism react in some way.
An action or change in behavior that occurs as a result of a stimulus.
A cell that carries information through the nervous system.
An electrical message that carries information in the nervous system.
A neuron that picks up stimuli from the internal or external environment and converts each stimulus into a nerve impulse.
A neuron that carries nerve impulses from one neuron to another.
A neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react.
An organized grouping of neurons in the head of an animal with bilateral symmetry.
water vascular system
A system of fluid-filled tubes in an echinoderm's body.
An internal gas-filled organ that helps a bony fish stabilize its body at different water depths.
A consumer that obtains energy by eating only animals.
A consumer that obtains energy by eating only plants.
A consumer that obtains energy by eating both plants and animals.
An animal that strains its food from water.
The process that breaks down complex molecules of food into smaller nutrient molecules.
An organ system that has specialized structures for obtaining and digesting food.
The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy.
The process by which molecules move from an area of higher concentration to an area of lower concentration.
An organ system that enables organisms to exchange gases with their surroundings.
An organ system that transports needed materials to cells and removes wastes.
The immature form of an animal that looks very different from the adult.
A cnidarian body form characterized by an upright vase shape and usually adapted for a life attached to an underwater surface.
A cnidarian body form characterized by an open umbrella shape and adapted for a freeswimming life.
When eggs are fertilized outside of a female's body.
When eggs are fertilized inside a female's body.
The length of time between fertilization and birth of a mammal.
An egg with a shell and internal membranes that keep the embryo moist; a major adaptation to life on land characteristic of reptiles, birds, and egg-laying mammals.
An organ in most pregnant mammals, including humans, that links the mother and the developing embryo and allows for the passage of materials between them.
A process in which an animal's body undergoes major changes in shape and form during its life cycle.
A type of metamorphosis with four distinct stages: egg, larva, pupa, and adult.
The third stage of complete metamorphosis, in which a larva develops into an adult insect.
A type of metamorphosis with three stages: egg, nymph, and adult.
A stage of incomplete metamorphosis that usually resembles the adult insect.
The larval form of a frog or toad.
An animal with a backbone.
An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment.
An internal skeleton; structurally support system within the body of an animal.
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