invertebrate animal vocab. Flashcards
vertabrates
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
invertabrates
an animal that does not have a backbone
consumer
A consumer is a person or a group who intends to order, orders, or uses purchased goods, products, or services primarily for personal, social, family, household and similar needs, not directly related to entrepreneurial or business activities.
gut
the digestive track
coelom
a body cavity that conains the internal organs
Bilateral Symmetry
something that mirrors the other side of the body
Radial Symmetry
somthing that its body in organized around the center
Asymmetry
somthings body that is not organized aroung the center
Sponges
they are asymmtrial and have no tissues
Cnidarians
an aquatic invertebrate animal of the phylum Cnidaria, which comprises the coelenterates.
Flatworms
a worm of a phylum which includes the planarians together with the parasitic flukes and tapeworms. They are distinguished by having a simple flattened body which lacks blood vessels, and a digestive tract which, if present, has a single opening.
Roundworms
Roundworms are a group of parasites that includes pinworms and ascariasis.
Mollusks
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda.
Open circulatory system
Open circulatory systems are 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.
Closed circulatory system
a closed circulatory system, the blood stays within blood vessels
Annelid worms
Annelid worms
Annelid worms
The annelids /ˈænəlɪdz also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species
Exoskeleton
the external skeleton that supports and protects an animal’s body,
Compound eye
A compound eye is a visual organ found in arthropods such as insects and crustaceans.
Antenna
either of a pair of 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 in two or more distinct stages.
endoskeleton
Mammals, reptiles, birds, fish and amphibians are vertebrates with endoskeletons (skeletons inside their bodies).
Water vascular system
a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels.
