★ Must-know
📌 Abiogenesis or spontaneous generation proposes that life originates from non-living matter, whereas biogenesis proposes that life originates from pre-existing life.
Reproduction is the biological process by which organisms produce offspring sexually or asexually.
Viruses are considered non-living because they lack cellular structures and cannot independently carry out homeostasis or metabolism.
Further detail
1. Which pairing correctly matches each scientist with the tissue type studied in early cell theory?
2. Which statement correctly distinguishes abiogenesis from biogenesis?
3. Which example best illustrates homeostasis in an organism?
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
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