Shrimp, spiders, and butterflies are crustaceans, arachnids, insects, or arthropods.
What are arthropods?
100
An animal whose body temperature changes depending on the environment is called this.
What is an ectotherm?
100
This muscle helps mammals breathe.
What is the diaphragm?
100
This is the goal of courtship behavior.
What is reproduction?
200
A sea anemone and a jellyfish both have this kind of symmetry.
What is radial symmetry?
200
Octupuses and squids are examples of
What are cephalopods?
200
Fossils are found most frequently in this type of rock.
What is sedimentary?
200
Mammals are the only animals that have four chambers of this muscle.
What is the heart?
200
The first time a bird builds a nest, the bird builds the nest perfectly. This kind of behavior is an example of an instinctive behavior, imprinting, or trial and error learning.
What is instinctive?
300
This type of animal only eats plants.
What is an herbivore?
300
Many insects use sound for this purpose.
What is attract a mate?
300
The name "amphibian" refers to an amphibian's ability to do this.
What is live on both water and land?
300
Of these: whale, kangaroo, armadillo, or mole, this one is NOT a placental mammal.
What is kangaroo?
300
In Pavlov's experiment, dog's were conditioned to respond to this item.
What is a bell?
400
Polyps and medusas are two different body plans of these.
What is cnidarians?
400
An arthropod's body is covered with this.
What is an exoskeleton?
400
Vertebrates are a subgroup of this phylum.
What is chordates?
400
All birds have this.
What are feathers?
400
Migrations are usually related to this event.
What are changing seasons?
500
A cnidarian captures prey with these.
What are stinging cells?
500
A snail scrapes food from rocks with this.
What is it's radula?
500
This structure helps fish stabilize at different depths in the water.
What is swim bladder?
500
Carnivores have large, sharp ______ to help kill and devour their prey.
What are canines?
500
Behavior almost always helps an animal with these two things.