Simple Invertebrates Ch 15.1 7th
Lecture 2 support and protection 2nd sem 2008-2009
Review the Animal Kingdom 4 Major Characteristics? Multicellular Eukaryotic Heterotrophs Cells lack cell walls.
I. I.Platyhelminthes Flatworms - Dorsoventrally flattened Simplest bilaterally symmetrical organisms First organs and organ systems** Central nervous system.
I.Keystone Species. I.Echinodermata A.Echinoidea (Sea urchins, Sand dollars) Approximately 1000 speciesApproximately 1000 species Includes heart urchins,
Significant evolutionary events during the Cambrian explosion z1 - evolution of multicellularity - animals can therefore become large z2 - evolution of.
Introduction to Animals Development, Symmetry, Tissues, Classification AP Biology Unit 6.
What is an Animal?. Characteristics of Animals All animals have several characteristics in common. What are the four common characteristics of animals?
Kingdom Animalia
What is an Animal? A multicellular organism of the kingdom Animalia that uses locomotion, metabolism, pronounced response to stimuli, and fixed bodily.
Kingdom Animalia Characteristics EukaryoticMulticellularHeterotrophic –ingest food Specialized cells –Most have tissues No cell wall Most motile Most.
Unit 8
