When did life emerge on Earth?
Approximately 3.5 billion years ago.
What does abiogenesis propose about the origin of life?
Life originates from non-living matter.
Who coined the term 'cell' after examining cork slices?
Robert Hooke coined the term 'cell'.
What does cell theory state about the origin of cells?
All cells arise only from pre-existing cells.
Homeostasis Study Area
Maintaining stable internal environment
Cell Theory Core Idea
All organisms are made of cells
Prokaryotic vs Eukaryotic
Prokaryotic lack nucleus; eukaryotic have nucleus
Cell Organelles Functions
Organelles perform specific tasks within cells
Bacterial Cell Wall Types
Gram-positive and Gram-negative classifications
Cell Modifications Examples
Specializations like cilia, flagella, cell walls
Cell Theory Originators
Schleiden, Schwann, Hooke, Virchow
Answer 10 questions on General Biology 1 Midterm Review.
1. Which pairing correctly matches each scientist with the tissue type studied in early cell theory?
2. Which statement correctly distinguishes abiogenesis from biogenesis?
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