Animal Characteristics (8.7)

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Presentation transcript:

Animal Characteristics (8.7) Pre AP Biology Animal Characteristics (8.7)

Animals

Early oceans (Pre-Cambrian times)

Transition to land (Tiktaalik fossil)

Coelocanth (Walking fish that lives in the Indian ocean)

Pangaea separating

Asteroid causes the extinction of the dinosaurs.

Animal Classification based on body structure

Parazoa - Sponges

Radial - Jellyfish

Bilateral

Dorsal (Top/back) of a Killer whale

Ventral – Bottom/belly

Anterior

Cephalization in an Ant eater See all the sensory organs in the head area

Coelom

Proto vs. Deutero

Nervous System –Detecting Stimulus and body control

Muscular System - movement

Circulatory System Moving O2 and nutrients

Respiratory System Gas exchange with the environment

Digestive System Digest and absorb food

Excretory System Dispose of nitrogenous waste