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100

Any organism that causes disease.

Pathogen

100

A lizard’s ability to change color is due to a(n) _____.

Chromatophore 

100

Plants, animals, and fungi are examples of ___ factors.

Biotic Factors

100

Primates without tails.

Apes

100

Most common immunological disease.

Allergies

200

Anything outside of an organism's tolerance range.

Limiting Factor

200

A retractable group of feathers on the front of a bird’s wing.

Alula

200

This kind of snake movement is used on sandy ground.

Sidewinding

200

An organism’s ability to withstand and recover from changes.

Stability

200

Only marsupial to live outside of Australia.

Opossum 

300

Simplest kind of flight; uses minimal energy.

Gliding

300

The funtion or "occupation" of a living thing.

Niche

300

The most numerous of all mammals.

Rodents

300

Speherical bacteria that typically grows in clusters or chains.

Cocci

300

Large ridge on a bird's sternum.

Keel

400

Nocturnal lizard-like reptile that is classified by itself.

Tuatara

400

The basic unit of ecology.

Ecosystem

400

Internal life-support capsule.

Endospore

400

A bird's singing is produced by the __.

Syrinx

400

These reptiles are only found in India and Burma.

Gharials

500

This term means to give birth to live young.

Viviparous

500

Some shore-nesting birds lay their eggs in a scooped-out hollow in the ground called a ______.

Scrape

500

Lizards with elongated bodies covered in small, shiny, overlapping scales.

Skinks

500

___ immunity results from heredity, health of the immune system, diet, and exercise.

Innate Immunity

500

These "dactyls" have an odd number of functional toes.

Perissodactyls