External Structures for Defense
What environment can an animal with dry scales live in?
Land or water
How does a porcupine fish defend itself against predators?
spines and quills
The main structure of an animal's circulatory system is the ____.
heart
What environment does an animal with scales covered with slime live in?
Water
How does the armadillo defend against predators?
claws and talons
What are two functions of the nervous system?
Helps gather and understand information
Controls the heartbeat and breathing
What does a bird with a hooked beak eat?
Meat
What is a similarity between the respiratory systems of a mammal and a fish?
Both a mammal and a fish take in oxygen
What is the bird's organ that hold and soaks food?
crop
What is a way smell helps animals interact with their environment?
Smell helps animals know when another animal is nearby.
What is the main difference in the digestive systems of a pig and a cow?
A pig's stomach has one compartment and a cow's stomach has four compartments
You have a stomachache and throw up. You are responding to an ____ stimulus?
internal
What are two functions for survival does an animal's covering have?
Keep diseases from entering the body
To insulate the animal's body
Protects the organs
Protects the body from predators
What are the two ways God's design helps vertebrates adapt to a world with predators?
God created animals with the ability to adapt
God gave animals the structures needed for defense against predators
A snake senses danger, so it slithers away. The snake is responding to an ____ stimulus.
external