11-4 1. At least two things that all cells have in common? (use notes if necessary)?
Chapter 15 Early Earth and the Origin of Life. Life on Earth originated between 3.5 and 4.0 billion years ago. The Earth formed about 4.5 billion years.
What are prokaryotic cells? Single-celled bacteria and archaeans No nucleus or membrane-bound organelles Smallest, most widely distributed, numerous, and.
1 Eukaryotic Cells The History of Eukaryotes They first appeared approximately 2 billion years ago. Evidence suggests evolution from prokaryotic organisms.
Phytoplankton Announcements: –Exam: next Wednesday –Review Tuesday pm at Olin O4 (here?!)
The Origin of Cells 1.5. Understanding Applications Nature of Science Cells can only be formed by division of pre-existing cells The first cells must.
Eukaryotes that are not plants, animals, or fungi have traditionally been called protists. The term does not describe a formal taxonomic group, but is.
CH. 21 Protists By: Brianna Shields April 27, 2006.
Chapter 2 – Cell structure & the cell cycle. Plant Cells.
Biology: Cell Bingo Besides the plasma membrane & nucleus, what is the other section of a cell? CYTOPLASM.
Protistans Chapter 22. Protistans are Unlike Prokaryotes Have a nucleus and organelles Have proteins associated with DNA Use microtubules in a cytoskeleton,
