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Animals and Classifications

Across
Another term for a warm-blooded animal that is able to regulate its own body temperature.
Microscopic organisms that act like animals and plants; such as algae, amoebas, & protozoans.
Includes the centipedes, which has 1 pair of legs per body segment.
Includes organisms with 2 body segments and 4 pairs of legs, such as spiders and ticks.
Organisms with an endoskeleton and a radial symmetry, such as starfish, sea urchins, and sand dollars.
Mollusks with two shells, such as clams and mussels.
Egg-laying mammals, such as a platypus.
Mollusks that have good vision and large brains, such as octopus and squid.
Includes animals with "jointed" appendages, such as spiders, insects, crustaceans, millipedes, and centipedes.
Organisms with stinging cells, such as jellyfish, hydra, and corals.
Down
Another term for a cold-blooded animal whose body temperature changes with its environment.
Refers to the way an organism moves.
Type of symmetry in which lines can be drawn through a central point into 2 mirror images, such as starfish and sand dollars.
Includes crabs, lobsters, shrimp, and woodlice(pill bugs).
Mollusks with a "stomach" foot, such as snails and slugs.
Type of symmetry in which only 1 line of symmetry can be drawn to create two mirror images, such as humans and butterflies.
Mammals whose immature offspring complete their development in an external pouch, such as kangaroos and opossums.
Ectothermic vertebrates that spends half of its life in water and the other half on land; includes frogs, toads, and salamanders.
Mammals with young that develop inside the mother and use a placenta to exchange materials; includes humans, deer, and bears.
Asymmetrical organisms that use a filter feeder to get food; includes sponges.