Chapter 15 Section 1  Describe  Explain the body plans, nervous systems, and guts of invertebrates how sponges get food 3 cnidarian characteristics 3 kinds of flatworms…

1. Lecture 2. Support and Protection 2. Integumentary SystemFunctions:1. protective wrapping – mechanical protection against abrasion and puncture – effective barrier…

Slide 1I. I.Platyhelminthes Flatworms - Dorsoventrally flattened Simplest bilaterally symmetrical organisms First organs and organ systems** Central nervous system Simple…

Slide 1 I.Keystone Species Slide 2 I.Echinodermata A.Echinoidea (Sea urchins, Sand dollars) Approximately 1000 speciesApproximately 1000 species Includes heart urchins, sea…

Slide 1 Significant evolutionary events during the Cambrian explosion z1 - evolution of multicellularity - animals can therefore become large z2 - evolution of true tissues…

Slide 1 Slide 2 Introduction to Animals Development, Symmetry, Tissues, Classification AP Biology Unit 6 Slide 3 Defining Characteristics of Animals Multicellular Heterotrophs…

Slide 1 What is an Animal? Slide 2 Characteristics of Animals All animals have several characteristics in common. What are the four common characteristics of animals? –…

Kingdom Animalia Evolutionary tree of major animal phyla: X X Study figure from textbook. Also, study table 22-1 __ Kingdom Animalia Evolution of the coelom (body cavity):…

What is an Animal? What is an Animal? A multicellular organism of the kingdom Animalia that uses locomotion, metabolism, pronounced response to stimuli, and fixed bodily…

Chapter 42: Gas Exchange Why is gas exchange important? Aerobic organisms need O2 for oxidative phosphorylation (making ATP) CO2 from citric acid cycle must be removed Figure…