hi Flashcards
vertibrates
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
invertabrates
Invertebrates are animals that neither possess nor develop a vertebral column
Consumer
organisms that need to eat (i.e. consume) food to obtain their energy
ganglion
ovoid structures containing cell bodies of neurons and glial cells supported by connective tissue
Gut
the stomach or belly.
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 plane.
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 as a sister of the Diploblasts.
cnidarians
phylum under kingdom Animalia
flat worms
The flatworms, flat worms, Platyhelminthes
roundworms
The nematodes or roundworms constitute the phylum Nematoda
Mollusks
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda
open cirtulatory system
systems where blood, rather than being sealed tight in arteries and veins, suffuses the body and may be directly open to the environment at places such as the digestive tract
