Animal kingdom Flashcards
(23 cards)
Vertebrates
An Animal that has a backbone
Invertebrates
An animal with no backbone
Consumer
An organism that eats others or organic matter
Ganglion
A mass of nerve cells
Gut
the digestive tract
Coelom
a body cavity that contains organs
Bilateral Symmetry
the property of being divisible into symmetrical halves on either side of a unique plane.
Radial Symmetry
A symmetry around the center
Asymmetry
lack of equality
Sponges
have pours
Cnidarians
An aquatic invertebrate of an animal
flatworms
a phylum of soft animals
Roundworms
The nematodes or roundworms constitute the phylum Nematoda. They are a diverse animal phylum inhabiting a broad range of environment
Mollusks
an invertebrate of a large phylum
Open circulatory system
a system that pumps blood to the heart
Closed circulatory system
a system that pumps blood to the heart but the heart does not leave the vessel
Annelid worms
ring worms
Exoskeleton
a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.
Compound eye
an eye composed of many light detectors
Antenna
how some animals communicate
Metamorphosis
a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means
Endoskeleton
an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.
Water vascular system
in an echinoderm a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels.