Way of getting food by straining it out of the water
What is filter feeding?
100
To take in oxygen and give off carbon dioxide.
What is respiration?
100
To get rid of wastes or substances that are not needed.
What is excrete?
100
A chemical signal that glands produce.
What is hormone?
100
A bunch of nerve cells that are loosely connected.
What is a nerve net?
200
Is an animal that gets food from the fluids of plants or other animals.
What are hummingbirds, butterflies, aphids cicadas, leeches, mosquitos, horseflies?
200
The movement of materials from an area of high concentration to an area of low concentration.
What is diffusion?
200
Collect excess water in a flatworm.
What is flame cell?
200
The two systems that coordinate bodily activities.
What are Endoctrine and Nervous
200
The brain and spinal cord.
What is Central Nervous System?
300
Animals that eat only plants.
What is herbivores?
300
Name 3 organs of gas exchange.
What are gills, tubes, and lungs?
300
An organ of excretion found in vertebrates.
What is kidney?
300
Carries messages directly to parts of the body.
What is Nervous system?
300
The nerves that send messages between the central nervous system and other body parts.
What is Peripheral nervous system?
400
Animals that eat only other animals.
What is carnivores?
400
A system in which blood makes direct contact with cells is ___________ and A system in chich blood stays inside vessels at all times is _______________.
What are open and closed circulatory systems?
400
Land animals lose water through these.
What are urine, feces, and sweat.
400
Messages that travel along nerve cells.
What are impulses?
400
Control center for the vertebrate nervous system.
What is brain?
500
The process of breaking down food into small chemicals.
What is digestion?
500
A heart chamber that receives blood returning to the heart.
What is atria?
500
By eating leaves, fruits or roots.
What are other ways to get water?
500
Chemical signal that a nerve cell releases.
What is neurotransmitter?
500
The largest part of the brain that controls thought, memory, learning, feeling, and body movement.