invertible animals Flashcards
vertebrates
a backboned animal
invertebrates
animals that neither possess nor develop a vertebral column
consumers
something that feeds on plants or other animals
ganglion
a structure containing a number of nerve cell bodies
gut
The embryonic digestive tube
coelom
hollow, fluid-filled cavity found in many living things,
Bilateral Symmetry
the property of being divisible into symmetrical
Radial Symmetry
symmetry around a central axis
Asymmetry
technology possess similarities which are symmetrical
Sponges
are primitive, sessile, mostly marine, water dwelling filter feeders that pump water
Cnidarians
jellyfish
Flatworms
a group of soft-bodied, usually much flattened invertebrates
Roundworms
phylum is made up of at least 25,000 known species
Mollusks
a variety of familiar creatures well-known for their decorative shells or as seafood
Open circulatory system
where blood, rather than being sealed tight in arteries and veins