Is It Hot in Here, or am I Just an Endotherm?
Endotherms are different from ectotherms because they can internally regulate this.
What is body temperature?
Ostriches and penguins can't do this thing that many birds can.
What is fly?
Birds' feathers are made of this kind of protein.
What is keratin?
What are hair and fur?
Flying mammals use this system to understand their environments.
What is echolocation?
Endotherms use these three things to retain their body's heat.
What are fur, fat, and feathers?
Birds are able to breathe extremely efficiently because of the design of this part of their body.
What are lungs?
These feathers are soft and puffy, and they help birds to retain their body heat.
What are down feathers?
Mammals reproduce through this kind of fertilization.
What is internal?
What are primates?
Endotherms can cool their bodies using one of these two adaptations.
What are sweating and panting?
This is the unique characteristic of birds' bones that allows them to fly.
What is hollow?
These feathers are long and stiff to provide motion and lift.
What are flight feathers?
What are mammary glands?
These kinds of mammals have a lot of babies because they get eaten a lot.
What are rabbits and hares?
Between endotherms and ectotherms, these animals can live more often in colder climates.
What are endotherms?
This is the name of the very strong chest bones that birds have.
What are keels?
These feathers give a bird's body its aerodynamic shape and protect them from water and dirt.
What are contour feathers?
What are marsupials?
These kinds of mammals usually live in the ground and need to eat a lot of bugs.
What are insectivores?
Out of endotherms and ectotherms, these animals need to eat less food.
What are ectotherms?
These are the shape of wings that eagles have, which allow them to soar and glide while they hunt.
What are straight wings?
You might find these kinds of feathers inside of a pillow or coat.
What are down feathers?
This is the group of mammals that give birth to the most well-developed mammal babies.
What are placental mammals?
These kinds of mammals need to chew on things often so that their teeth don't get too big for their mouths.
What are rodents?