Yeet Flashcards
Vertebrate
A back boned animal
Invertebrate
An animal without a backbone.
Consumer
A person or thing that eats or uses something
Ganglion
A mass of nerve cells
Gut
The digestive tract
Coelom
A body cavity that contains the internal organs
Open circulatory system
A circulatory system in witch the circulatory fluid is not contained entirely within vessels
Closed circulatory system
A circulatory system in witch the heart circulates blood through a network of blood vessels that form a closed loop
Segment
Any part of a larger structure, such as the body of an organism, that is set off by natural or arbitrary boundaries
Exoskeleton
a hard, external, supporting structure
Compound eye
an eye composed of many light detectors
Antenna
a feeler that is on the head of an invertebrate, such as a crustacean or an insect, that senses touch, taste, or smell
Metamorphosis
a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
Endoskeleton
an internal skeleton made of bone or cartilage
Water vascular system
a system of canals filled with a watery fluid that circulates throughout the body of an echinoderm
endotherm
an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature
ectotherm
an organism that needs sources of heat outside of itself
gill
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
metamorphosis
a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
Sponges
a primitive sedentary aquatic invertebrate with a soft porous body that is typically supported by a framework of fibers or calcareous or glassy spicules. Sponges draw in a current of water to extract nutrients and oxygen
