What are ectothermic, vertebrates, scaly skin, molts, and lungs.
100
The force that water exerts upward on any underwater object
What is buoyant force?
200
Three functions of the endoskeleton.
What is are support, structure and protection?
200
Function of gills.
What is gas exchange?
200
2 adaptations for moving on land.
What are strong skeleton and muscular limbs?
200
Reptiles whose body is covered by a protective shell.
What are turtles?
200
Flexible connective tissue that is strong.
What is cartilage?
300
An ectotherms.
What is an animal whose body temperature changes depending on the temperature of its environment aka, cold blooded?
300
Organ that helps a fish stabilize at different depths in water.
What is a swim bladder?
300
Amphibians that keep their tails as adults.
What is a salamander?
300
Reptile adaptations for conserving water.
What are eggs, skin and kidneys?
300
Endothermic.
What are animals whose body maintain a constant temperature and does not change with their surroundings?
400
Three groups of ectotherms.
What are fishes, amphibians and reptiles?
400
Three main groups of fish.
What are jaw less, cartilaginous and boney?
400
Metamorphosis.
What is when an animal changes from one form to a different form during its life cycle?
400
Three chambers of a reptiles heart.
What are two atria and one ventricle?
400
Notochord.
What is a flexible rod that supports the animals back?
500
Movement of oxygen and carbon dioxide from eater to blood vessels is caused by this.
What is diffusion?
500
The only two species of jaw less fish.
What are hagfish and lampreys?
500
Path of blood circulation.
What is de-oxygenated from the heart to the lungs, oxygenated from the lungs back to the heart, oxygenated from heart to body, de-oxygenated from body back to heart?
500
Path of oxygen through blood stream
What is heart to lungs to pick up oxygen, oxygenated back to heart, heart to rest of body, removes oxygen and absorbs CO2 and back to the heart.