Animal Behavior

warm They are birds. They are warm blooded vertebrates.

If you teach your dog a trick and then reward him with a treat when he performs the trick, this is an example of learned behavior. Over time, the dog learned that he would be rewarded for following your command.

Mechanoreceptors

capillary beds

very early in life
Very early in life

nephridia

glands

learned behavior

photoreceptors

memes

specialization of segments

metamorphosis

by closing stomata
Plants maintain water balance through a process called Homeostasis ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its stomata.

lifestyle changes

hormones

The term synapse is the site where two nerves come together.

Group Behavior

An evolutionary innovation associated with amphibians is their heart, which can exchange gases outside of a water environment. This allows the amphibians to live on land.

Altruism is a form of self-sacrificing behavior.

solid bones

eating

Group Behavior..

Instinct

Maintenance of homeostasis

Imprinting by geese