1.Evolution of the Nervous System2. Unifying Principles Uniformity in how nerve cells function through outthe animal kingdom Great diversity in how nervous systems are organized…

Animal Pregnancy Animal Biology by: Miko Atkins, Staci Davis, and Ofelia Patrick Topics of Discussion Pregnancy in Deuterostomes Pregnancy in Protostomes Gestation Periods…

1. Animal Pregnancy Animal Biology by: Miko Atkins, Staci Davis, and Ofelia Patrick 2. Topics of Discussion ● Pregnancy in Deuterostomes ● Pregnancy in Protostomes ●…

1. Animal Pregnancy Animal Biology by: Miko Atkins, Staci Davis, and Ofelia Patrick 2. Topics of Discussion ● Pregnancy in Deuterostomes ● Pregnancy in Protostomes ●…

Slide 1Earland1 The Big Picture Slide 2 Earland2 DRAW THIS ON A BLANK SHEET Slide 3 DEFINING CHARACTERISTCS OF ANIMALS 1. Heterotrophs: ingest their food 2. Multicellular:…

Slide 1 Slide 2 most diverse group of invertebrates (1,130,000 species) 75% of all animal species jointed appendages – important characteristic - adapted for walking, feeding,…

The Nematodes Introduction and General Characteristic Phylum Nematoda greek: Thread nem-ah-to-dah Nematodes are the most numerous multicellular animals on earth. A handful…

Arthropods Chapter 28 Animal Classification Animals Invertebrates Vertebrates Sponges Cnidarians Worms Mollusks Arthropods Echinoderms Ectotherms (cold-blooded) Endotherms…

Welcome toâ¦. THE ANIMAL KINGDOM Multicellular heterotrophs with tissues Porifera â sponges Cnidaria-- jellyfish, hydras, anemones, etc. Platyhelminthes-- flatworms Nematodaâ…

The  Hemichordates and Chordates Phylum Hemichordata Why does this group have a name that means half â chordate? All members of the phylum Chordata have a notochord and…