Vertebrates
Animals that have a backbone belong to this group.
What are vertebrates?
Fish use this organ to breathe underwater.
What are gills?
Animals migrate mainly to find this and reproduce.
What is food?
Birds store food in this pouch before digestion.
What is the crop?
Animals that eat mostly plants are called this.
What are herbivores?
These animals usually begin life in water and later develop lungs and legs.
What are amphibians?
This gas-filled organ helps fish control buoyancy.
What is the swim bladder?
Birds can navigate using the Sun, landmarks, and this invisible force of Earth.
What is Earth’s magnetic field?
This muscular chamber grinds food in birds.
What is the gizzard?
Animals that eat meat are called this.
What are carnivores?
This type of vertebrate has dry, scaly skin and is cold-blooded.
What are reptiles?
This sensory system helps fish detect vibrations in water.
What is the lateral line?
An inherited adaptation passed through genes is called this type of adaptation.
What is a genotypic adaptation?
A young bird that has just left the nest is called this.
What is a fledgling?
Animals that eat both plants and animals are called this.
What are omnivores?
Animals whose body temperature changes with the environment are called this.
What are ectotherms?
A young frog before metamorphosis is called this.
What is a tadpole?
An adaptation that develops during an organism’s lifetime is called this.
What is a phenotypic adaptation?
This mammal group lays eggs instead of giving birth to live young.
What are monotremes?
This feeding method strains tiny organisms from water.
What is filter feeding?
These warm-blooded animals have hair or fur and feed their young milk.
What are mammals?
Small overlapping plates that protect some animals’ skin.
What are scales?
Bright warning colors that signal poison to predators are this type of defense.
What is visual defense?
Marsupials carry their poorly developed young in this structure.
What is a pouch?
This process occurs when a single-celled organism surrounds and digests food particles.
What is phagocytosis?