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
Closed circulatory system
at all times within vessels of different size and wall thickness
Annelid worms
are a large phylum,
Exoskeleton
An exoskeleton is the external skeleton that supports and protects an animal’s body
Compound eye
an eye consisting of an array of numerous small visual units,
Antenna
are paired appendages used for sensing in arthropods
Metamorphosis
a novella written by Franz Kafka which was first published in 1915.
Endoskeleton
an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates
Water vascular system
a network of water vessels in the body
