Mammals
Birds
Animal Behavior
Fish
Reptiles & Amphibians
100

The period of time during which an embryo develops before being born

Gestation

100

Bird embryos develop inside of these

amniotic egg

100

The Graylag Goose demonstrates this behavior when an egg falls out of its nest

Fixed Action Pattern

100

Sharks, Rays, and Skates are an example of this type of fish

Cartiliginous

100

Reptiles get their warmth from this source

The Sun, Ectothermic, Cold blooded

200
This type of hair provides insulation for mammals

Underhair

200
A flamingo has this type of bill

filter feeding

200

The monarch butterfly demonstrates this pattern of behavior when it migrates during changing seasons

Rhythmic

200

What is an example of a invertebrate Chordate

Lancelet, Sea Squirt

200
Frogs can stay underwater for a long time because of this reason

They can breathe through their skin

300

A structure that allows an embryo to be nourished with the mothers blood supply

Placenta

300

This structure on a birds wing prevents turbulence

Alula

300

This type of behavior needs no instruction 

Innate

300

Fish use these to open and close their gills

Operculum

300

Reptile embryos develop this way

Oviparous, amniotic egg

400

This type of mammal uses a pouch to care for its offspring

Marsupial

400

In order to keep feathers neat and covered in the right oils, a bird will do this.

Preening

400

A crow that is not scared of a scarecrow shows and example of this type of learned behavior

habituation 

400

Sharks use this to sense electrical signals moving through the water

Lateral Line

400

The lesser known amphibian (not a frog, newt, or salamander)

Caecilian 

500

This group of mammal lays eggs

Monotremes

500
A bird's bones are full of thin strands of bone tissue that traverse the air cavities inside. These strand serve as these to give support and strength to a birds skeleton

Strut

500

My dog gets really excited when we grab her leash. What type of behavior is she demonstrating

Classical Conditioning

500

This structure allows a fish to sink and float

Swim Bladder

500

This "Spine bearing" lizard is only found on a few small islands in New Zealand 

Tuatara

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