HELP!! ASAP PLEASE! Which of the following is characteristic of all birds?
endothermic
aquatic
invertebrate
autotrophic

Endothermic

Explanation:

Process of elimination

Hope that helps have a lovely night!

This is true. An easy example is monkeys who eat food from trees, or hide there from other predators found on land that might attack them, or they live in the trees and sleep there, or hide from things like storms and bad weather. They are not the only ones and there are many mammals that do this.