Main Idea-Oct. 4-Amplify

On page 29 of the reader, the details about the characteristics of the crocodile support the idea that...

• The crocodile is a mammal

• The crocodile is a reptile

• The crocodile is an invertebrate

• The crocodile is an insect

What key idea do the details on page 30 support about characteristics that are specific to mammals?

• Mammals give birth to live babies

• Mammals have scales on their skin

• Mammals lay eggs

• Mammals are cold-blooded

What key idea do the details on page 31 support about how warm-blooded animals cool-off?

• Warm-blooded animals use what is around them to cool off

• Warm-blooded animals use their scales to cool off

• Warm-blooded animals use solutions like shivering, drinking water, and eating frequently to stay cool

• Warm-blooded animals use solutions like not eating and drinking for long periods of time to cool off

On page 32, which key ideas do the details support about why cold-blooded animals need to eat less frequently?

• They do not need as much food because they move so quickly

• They do not need as much food because they don't need the energy from food to warm or cool their bodies

• They do not need as much food because they bask in the sun

• They do not need as much food because they become cold when it is cold outside

On page 33 of the reader what key idea does the reader learn about cold blooded animals when he hears about the way these animals regulate their body temperature?

• Cold-blooded animals sue the environment around them to stay warm or cool

• Cold-blooded animals rely on food for their energy to stay warm

• Cold-blooded animals shiver to generate heat when it's cold

• Cold-blooded animals have the ability to sweat when it's hot