invertebrate Animal vocab Flashcards
(24 cards)
Vertebrates
Animals that have a backbone
Invertebrates
Animals that don’t have a backbone
Consumer
a thing that eats or uses something
Ganglion
a mass of nerve cells
Gut
a digestive track
Coelom
body cavity that contains internal organs
Bilateral Symmetry
animals that have a left and right side
Radial Symmetry
animal body is organized around a center
Asymmetry
body that is not organized around a center
Sponges
a primitive sedentary aquatic invertebrate with a soft porous body that is typically supported by a framework of fibers
Cnidarians
an aquatic invertebrate animal of the phylum Cnidarian
Flatworms
soft body invertebrate
Roundworms
They are a diverse animal phylum inhabiting a very broad range of environments
Mollusks
compose the large phylum of invertebrate animals known as the Moluccas
Open circulatory system
animals that pump blood into a hemocoel
Closed circulatory system
blood is pumped by a heart through vessels and does not normally fill body cavities
Annelid worm
The annelids also known as the ringed worms or segmented worms are a large phylum with over 17,000
extant species including ragworms, earthworms, and leeches
Segment
each of the parts into which something is or may be divided
Exoskeleton
a rigid external covering for the body in some invertebrate animals
Compound eye
an eye consisting of an array of numerous small visual units
Antenna
long thin sensory appendages on the heads of insects crustaceans and some other arthropods
Metamorphosis
the process of transformation from an immature form to an adult form
Endoskeleton
an internal skeleton
Water vascular system
a hydraulic system used by echinoderms
