Water conservation-kangaroo rats. Chapter 33: Deuterostomate ... kangaroo rats live in desert and are able to survive. with little water by concentrating urine ...
Other facets of invertebrate embryology Stages of development Egg and sperm Fertilized embryo Cell division resulting in a multicellular embryo (cleavage) Radial ...
e.g. flatworms, annelids, mollusks, arthropods. Deuterostomes ... Proboscis cavity. Nematoda. Organ System. Bilateral. No. Pseudocoelom. Annelida. Organ System ...
Class Echinoidea sea urchin, sand dollar, sea biscuit. Class Holothuroidea sa cucumber ... Sea biscuit. Sea urchins, sand dollars. Spherical or disk shaped ...
KINGDOM ANIMALIA Characteristics of Animals 5. Segmentation Segmentation refers to the repetition of body parts that contain similar structures along the length of ...
Title: 31.1 Animals are multicellular heterotrophs without cell walls. Some General Features of Animals Animals are multicellular heterotrophs that are diverse in ...
0 Chapter 18 The Evolution of Animal Diversity Mammals are amniotes that have hair and produce milk Mammals are endothermic amniotes with Hair, which insulates their ...
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Echinoderms I. Deuterostomes Radial clevage Enterocoelous coelom formation Determiant clevage Blastopore becomes anus II. Echinoderm classes A. Asteroidea-starfish B ...
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Animals Introduction to Animal Evolution What is an Animal? Multicellular, heterotrophic, eukaryotes Cells lack cell walls, held together by structural proteins ...
Attach to substratum by secretions from an adhesive sac, then metamorphose to adult form. New colonies begin from this single metamorphosed primary zooid, ...
Animal Bauplan Symmetry and complexity Chapter 3: Animal Architecture * * * * * * * * * * * * III. Symmetry Radial symmetry: body parts organized about a center axis ...
Echinoderms: Spiny-skinned animals Section 31.1 Animal Development Echinoderms are related to vertebrates due to their early development The gastrula is the early ...
Intro to Animal Diversity Chapter 32 Animalia General Notes 1.3 million species 300K plant species 1.5 million fungi 10 million bacteria Animals ARE heterotrophs ...
Evolutionary Trends 1. Trends in Symmetry 2. Trends in Digestive Tracts 3. Trends in Body Cavities 4. Trends in Cephalization 5. Trends in Segmentation
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Chapter 30: Animals: Part I Evolution and Classification of Animals Animals are multicellular heterotrophs that ingest their food. Animals belong to the Eukarya and ...
BSC 2010L. INVERTEBRATES II. Principal Biological Concepts to Emphasize: ... you view '33A Characteristics of Invertebrates' on Student Media CD-ROM for review. ...
Invertebrates Packet #77 Chapters 33 & 47 Introduction I Introduction II Invertebrates- Animals Without Backbones Ninety five percent of all known animals species are ...
Polyzoa and Kryptozoa Chapter 15 * * * * * * * * Lophophores Phylogenetic evidence indicates that lophophores evolved more than once. Lophophores have a crown of ...