During chilly days, you might notice lizards lying (“basking”) in sunny areas. Why do lizards bask in the sun?

Question 1 options:

Ectothermic animals are lazy and the sun puts them to sleep.


Ectothermic animals need to get tanned by the sun’s rays for camouflage.


Ectothermic animals use the sun’s rays to help them hide from enemies.


Ectothermic animals need the warmth before they can move around to hunt food.

Question 2 (1 point)

Which group of animals could be correctly classified as ectothermic?

Question 2 options:

robins, squirrels, mice


bears, snakes, wolves


frogs, lizards, snakes


bears, snakes, wolves

Question 3 (1 point)
What organism meets the criteria for Group B?



Question 3 options:

hammerhead shark


emperor penguin


rattle snake


box turtle

Question 4 (1 point)
Birds and _______ are _______, which means that they maintain a nearly constant internal body temperature that does not change with the temperature of the environment.

Question 4 options:

reptiles; cold-blooded


reptiles; warm-blooded


mammals; cold-blooded


mammals; warm-blooded



Question 5 (1 point)
Which statement describes the difference between ectothermic and endothermic animals?

Question 5 options:

Ectothermic animals live in cold climates, and endothermic animals live in warmer places.


Ectothermic animals live in the water, and endothermic animals live on the land.


Ectothermic animals have a lower body temperature than endothermic animals.


Ectothermic animals have a body temperature that is the same as their environment, and endothermic animals have a constant body temperature.

Question 6 (1 point)
As the temperature drops, a cold-blooded animal is likely to

Question 6 options:

slow down as a response to the cooling temperature.


move around faster to raise its body temperature.


begin sweating in order to cool off.


show no response.

Question 7 (1 point)
Sweating is one way that warm-blooded animals

Question 7 options:

prevent from getting to cold.


keep their bodies from having too much water.


release odors that can attract a mate.


generate heat loss through evaporation.

Question 8 (1 point)
Because endothermic animals must maintain a constant body temperature, they must

Question 8 options:

eat more often to have energy to keep a constant temperature.


become sluggish when it becomes to cold to conserve energy.


move to sunlight to warm, and shade to cool.


constantly move around to keep their bodies warm.

Question 9 (1 point)
What types of organisms are described by the characteristics in Group A?



Question 9 options:

ectotherm


endotherm


warm blooded


decomposers

Question 10 (1 point)
What is the ability of some creatures to control their body temperatures through internal means such as muscle shivering, fat burning, and panting called?

Question 10 options:

metabolism


endothermic


ectothemic