Animals & Behavior
Walking is an example of this kind of behavior
What is innate behavior?
An animal that does not have a backbone.
What is an invertebrate?
They help protect a fish's body and lower friction as the fish swims.
What are scales?
These organs help amphibians breathe.
What are their lungs and skin?
Tuataras, turtles and tortoises, caecilians, snakes and lizards. One of these is NOT a group of reptiles.
What are caecilians?
A bird's light skeleton, rapid heartbeat, and strong muscles make it possible for a bird to do this.
What is fly?
A dolphin's whistles and clicks are examples of this form of communication.
What is sound?
This is a bundle of nerve cells
What is ganglion?
This row of tiny sense organs detects vibrations in the water.
What is the lateral line?
Because amphibians are sensitive to changes in the environment, they are often called this.
What are ecological indicators?
These animals are the most common reptiles in the world today.
What are snakes and lizards?
An ostrich belongs to this category of birds.
What are flightless birds?
This behavior is used by animals to protect themselves and their territories, food, mates, and offspring.
What is defensive behavior?
This skeleton is like a suit of armor.
What is an exoskeleton?
This organ allows fish to exchange oxygen from the water with carbon dioxide from the blood.
What are gills?
The process in which an amphibian changes from an immature form to an adult form.
What is metamorphosis?
This meat-eating reptile has a narrow head and pointed snout and spends most of its time in the water.
What is a crocodile?
This is the process a bird uses to maintain its feathers.
What is preening?
This describes the relationship between a worm and a robin.
What are the prey and the predator?
Animals that have jointed limbs.
What are arthropods?
This takes place when a female fish lays unfertilized eggs in the water and the male drops sperm on them.
What is external fertilization?
This is a thin-walled sac of skin that surrounds a frog's vocal cords.
What is a vocal sac?
Reptiles lay this type of egg which protects the developing embryo.
What are amniotic eggs?
These soft feathers provide warmth.
What are down feathers?
The "waggle dance" a bee uses to direct other bees toward a food source is an example of this form of communication.
What is body language?
Animals that have three main body parts, six legs, and one pair of antennae.
What are insects?
Cartilaginous, caecilian, bony, & jawless. One of these is NOT a class of fish.
What is caecilian?
Tuataras, frogs and toads, salamanders, and caecilians. One of these is NOT a group of amphibians.
What are tuataras?
This is part of an amniotic egg that provides water and protein to the embryo.
What is albumen?
This is the act of sitting on a nest to keep eggs warm.
What is brooding?
This controls an animal's natural cycles.
What is a biological clock?
Animals that have stinging cells.
What are cnidarians?
This group of fishes is characterized by being strong swimmers, having keen senses, and being expert predators.
What are cartilaginous fishes?
These animals depend on their environment for heat
What are ectotherms?
This holds fluid that protects the embryo of a reptile.
What is the amniotic sac?
This is the process of shedding feathers and growing new ones.
What is molting?