animal Flashcards
Vertebrates
organisms which have an internal backbone surrounded by bone, also called vertebrae
invertebrates
organisms which do not have a backbone
Consumer
a person who purchases goods and services for personal use.
Ganglion
lumps that most commonly develop in the wrist.
Gut
The gastrointestinal tract is the tract or passageway of the digestive system
Coelom
the body cavity in metazoans, located between the intestinal canal and the body wall.
Bilateral Symmetry
the property of being divisible into symmetrical halves on either side of a unique plan
Radial Symmetry
symmetry around a central axis, as in a starfish or a tulip flower.
Asymmetry
lack of equality or equivalence between parts or aspects of something; lack of symmetry.
Sponges
Sponges, the members of the phylum Porifera, are a basal animal clade
Cnidarians
an aquatic invertebrate animal of the phylum Cnidaria, which comprises the coelenterates.
Flatworms
a group of soft-bodied, usually much flattened invertebrates.
Roundworms
a nematode, especially a parasitic one found in the intestines of mammals.
Mollusks
any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium.
Open circulatory system
the blood is not enclosed in blood vessels but is pumped into an open cavity called a hemocoel and is called hemolymph because the blood mixes with the interstitial fluid.
Closed circulatory system
the blood stays within blood vessels.
Annelid worms
a segmented worm of the phylum Annelida, such as an earthworm or leech.
Exoskeleton
rigid or articulated envelope that supports and protects the soft tissues of certain animals.
Compound eye
a visual organ found in arthropods such as insects and crustaceans.
Antenna
In radio engineering, an antenna or aerial is the interface between radio waves propagating.
Metamorphosis
striking change of form or structure in an individual after hatching or birth.
Endoskeleton
an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.
Water vascular system
a hydraulic system used by echinoderms, such as sea stars and sea.
