6th Science - Ch. 9 "Introduction to Animals"
Terms in this set (21)
inherited trait that increases an organism's chances of surviving and reproducing in its environment
body plan which cannot be divided into any two parts that are nearly mirror images of each other
body plan which an organism can be divided
into two parts that are nearly mirror images of each other
internal rigid framework that supports humans
and other animals
thick, hard outer covering that protects crabs and
a fluid-filled internal cavity surrounded by muscle tissue
body plan which can be divided into two parts that
are nearly mirror images of each other anywhere through its central axis
group of organisms that have similar traits and are able to produce fertile offspring
thin layer of tissue that covers a mollusk's internal organs
process in which the body form of an animal
changes as it grows from an egg to an adult
process of shedding and replacing an outer covering
animal that survives by living inside or on another
organism, gets food from the organism, and does not help in the organism's survival
protective membrane that surrounds the embryo
animal that heats its body with heat from the
animal that generates body heat from the inside
organ that exchanges carbon dioxide for oxygen in water
Specialized organs in mammals that produce milk to nourish the young
flexible rod-shaped structure that supports the body of a developing chordate
groove along the side of a developing chordate that will develop into other body structures
small, flat, rigid external body covering
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THIS SET IS OFTEN IN FOLDERS WITH...
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6th Science - Ch. 4 "Earth's Dynamic Surface"
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6th Science - Ch. 5 "Natural Resources"