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Phylum Chordata Cladogram
Draw the cladogram to the right. Each of these groups of animals have a vertebrae (trait at the bottom) Vertebrates: have at some point in life notochord, gill slits, endoskeleton Several classes exist within the phylum Chordata (vertebrates) Increase in complexity
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You need to be familiar with these classes of organisms.
Characteristics Examples 1. Agnatha Ectothermic, lack a true jaw; includes all jawless fishes Hagfish 2. Chondrichthyes Ectothermic, fish without bones; cartilaginous skeletons Sharks, skates, rays 3. Osteichthyes Ectothermic boney fish Marlin, flounder, mackerel 4. Amphibia Ectothermic, have a biophysical life cycle (part in water, part on land) Frogs, toads, salamanders 5. Reptilia Ectothermic, scaled organisms with claws or nails Snakes, lizards 6. Aves Endothermic, feathered organisms All birds 7. Mammalia Endothermic, organisms with hair, mammary glands, and usually give live birth Platypus, rabbit, dog, monkey, human
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Classification of Different Organisms
Strep Throat Bacteria White Oak Tree Human Chimpanzee Green Tree Frog Common Chameleon Domain Eubacteria Eukarya Kingdom Bacteria Plantae Animalia Phylum Firmicutes Angiosperm Chordata Class Bacilli Eudicots Mammalia Amphibia Reptilia Order Lactobacillales Fagales Primates Anura Squamata Family Strepto-coccaceae Fagaceae Hominidae Hylidae Chamaele-onidae Genus Streptococcus Quercus Homo Pan Hyla Chamaeleo Species Streptococcus pyogenes Quercus alba Homo sapiens Pan troglodytes Hyla cincerea Chamaeleo chameleon
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Complete Classification Worksheet - Handout
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Shark Dichotomous Key - Handout
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Cladogram - Handout
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Written Response #9 Many adaptations exist among all of the organisms that live on our planet. Research an organism with the most bizarre adaptation you can find and describe how it benefits that species. Provide a picture and a description of the progression of the adaptions.
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