210 likes | 501 Views
Unicellular Organisms came first. AIM: How did multicellular organisms evolve?. HW #14 read ch 18 Pg 462 Using Dichotomous Keys. Living Environment. State the functions of the organelles for Paramecium caudatum. State the functions of the organelles in the Amoeba. Campanella umbellaria
E N D
Unicellular Organisms came first AIM: How did multicellular organisms evolve? HW #14 read ch 18 Pg 462 Using Dichotomous Keys Living Environment
State the functions of the organelles for Paramecium caudatum
Campanella umbellaria (Ciliates)
Straddling the plant and animal kingdoms, the protist Volvox forms stunning bright green colonial balls in water bodies that are enriched in nitrates.
Although this organism is very simple the cells have become specialized to carry out specific functions
Organisms are classified based on similiarities of structure. AS ONE GOES FROM THE KINGDOM TO THE SPECIES (DOWNWARD IN THE DRAWING), AN INCREASE IN THE SIMILARITY BETWEEN ORGANSIMS OCCURS. THERE ARE FEWER NUMBERS OF DIFFERENT KINDS OF ORGANISMS.
Carolus Linnaeus Carolus 1707-1778 Laid the foundations for the modern scheme of Taxonomy
Section 18-1 Grizzly bear Black bear Giant panda Red fox Abert squirrel Coral snake Sea star KINGDOM Animalia PHYLUM Chordata Classification of CLASS Mammalia ORDER Carnivora FAMILY Ursidae GENUS Ursus Go to Section: SPECIES Ursus arctos
How was it possible for larger multicellular organisms to evolve from single celled organisms?
Cell Specialization in the formation of Tissues
Do now:Work with your groups and draw the Human Digestive System on Chart Paper