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Download Warm Up Question: - Nick Williams` San Marin Science
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Transcript
Warm Up Question: Take Cornell Notes For All The Following Info: Characteristics of Animal Kingdom • Multicellular-Having or consisting of many cells or more than one cell to perform all vital functions. • Eukaryotic-possessing a membrane-bound nucleus • Heterotrophic-not capable of producing their own food, have to feed on organic matter for energy • Cells Lack a Cell Wall-animals and most protists do not have cell walls Animals Carry Out The Following Functions: • • • • • • • • Feeding Respiration Circulation Excretion Respond to Environment Movement Reproduction 95% off all animals are invertebrates (no back bone, example-insects) Single Celled Ancestor • First came the unicellular organism also known as a single celled organism is an organism that consists of only one cell. • (Prokaryotes, most protists, and some kinds of fungi are unicellular.) Multicellular • Then came the multicellular organisms are organisms that consist of more than one cell. • Most life is multicellular, as are all animals (except for specialized organisms such as Myxozoa) and land plants. #1 Porifera: First of the Nine Phyla • Phylum NamePorifera • Common NameSponges • All the same cells. Then came… • Differentiated Cells • Cells for different parts of the body, such as tissue cells to create organs. #2 Cnidaria: Second of the Nine Phylum • Pronounced-nidaria, the c is silent • Have radial symmetryThese organisms resemble a pie where several cutting planes produce roughly identical pieces. • Examples-Jellyfish, sea anemone Then came… • Next on the Cladogram time line is: • Bilateral Symmetrymeaning that it could be divided into matching halves by drawing a line down the center. #3 Platyhelminthes:Third of the Nine Phylum • Example is a Flatworm (common name)-soft-bodied invertebrate animals • Usually live inside other organisms #4 Nematode: Fourth of the Nine Phylum • Common name is Round worms-they are more advanced than flatworms but less advanced than earthworms. They have thin round bodies. • Many of them are harmful, as they are parasites. • Pseudocoelom - internal body cavity of some primitive invertebrates, lacking a mesodermal layer Then came… • Next on the Cladogram time line is: • Coelom-a confined body cavity surrounding the internal organs #5 Mollusca: Fifth of the Nine Phylum • Examples-Shellfish, squids, snails • Mollusks have a soft body (their name is derived from the Latin word mollus, meaning "soft”) #6 Annelid:Sixth of the Nine Phylum • Annelids are a large phylum of segmented worms • Example- earthworms and leeches. #7 Arthropod:Seventh of the Nine Phylum • Arthropod-is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages • Examples-Insects, crabs, lobsters #8 Echinoderm: Eighth of the Nine Phylum • Echinoderms are characterized by radial symmetry, several arms • Examples-Sea star or starfish, sea urchins #9 Chordate:Ninth of the Nine Phylum • Chordate-are animals which are vertebrates (backbones) • Animal groups in the chordate phylum include fish, amphibians, reptiles, birds and mammals.
