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Terms in this set (36)
6 characteristics of animals
getting food, digestion, movement, cells, cell structure, reproduction
for food, animals depend on...
other living things in the environment
how animals break down their food
after digestion, where the simple molecules move into
the animal's cells
how most animals get from place to place
animals that can't move...
have adaptations to take care of needs in other ways
animals have ________ cells
animal cells carry out different functions, such as...
sensing the environment, getting rid of wastes, & reproducing
eukaryotic animal cells have...
a nucleus and specialized structures called organelles
all animals are capable of reproducing...
sexually (two parents)
some animals can also reproduce...
asexually (one parent)
any structure, process, or behavior that helps an organism survive in its environment
have a backbone
does not have a backbone
eat plants and animals
eat what they find from others
eat dead or decaying matter
where the left and right sides of a body are structured the same, like a horse, lobster, or person
where the organism's symmetry is based on a center point and all sides are equal around the middle, like a sea urchin or a jellyfish
no symmetry to the organism's structure, like a sponge
have jointed appendages and exoskeletons; includes insects, arachnids (spiders) and crustaceans (like shrimp)
has tube-shaped body that are divided into many segments; includes earthworms, marine worms, and leeches
use tentacles to stun their prey; includes anemone and jellyfish
have an endoskeleton, spiny skin, radial symmetry, tubefeet; may be able to regenerate; includes seastars, sea urchins, sand dollars, and sea cucumbers
soft-bodied; usually has one or two shells; includes gastropods (like snails), bivalves (like clams), and cephalopods (like octopus)
stays in one spot; filter feeds through its holes; includes sponges
animals are first classified into ____ groups
the first major group of classification
whether or not the animals have a backbone
how an animals body parts are arranged
what sticks out from the core body, such as arms, legs, antennae,claws, pincers
a hard outer covering to support and protect
a hard structure on the inside for support and movement
remains attached to the ocean floor in one spot for most of its life; a sponge does this; it does not need to move because food comes to it & it can still reproduce by releasing sperm & egg
an organism that produces both egg and sperm in the same body