Term | Definition |
Filter Feeding | A way of getting food by straining it out of the water |
Name three ways animals get food | Filter feeding, Feeding on fluids, consuming large pieces of food |
herbivore | An animal that eats plants |
Carnivore | An animal that eats other animals |
Enzymes | A substance that speeds up chemical changes |
gastrovascular cavity | A digestive space with a single opening |
Why must animals digest their food | Animals need to digest their food so that their cells can use the food for energy. |
What function does the digestive tract perform | Storing food, digesting food and absorbing nutrients |
What is the difference between a closed and an open circulatory system | In an open circulatory system blood leaves the vessels and makes direct contact with cells.
In a closed circulatory system blood remains in the vessels. |
Kidneys | The main organ responsible for keeping water balance in mammals and birds |
What are the main parts of the vertebrate central nervous system | The brain and the spinal cord |
Blood stays inside vessels at all times in a | Closed circulatory system |
A chamber that pumps blood out of a vertebrate heart is called a | Ventricle |
Atrium | A heart chamber that receives blood returning to the heart |