Life Sciences 11: UNIT B - Organisms are Cellular

These flashcards cover key concepts from the Life Sciences 11 Unit on cellular organisms, focusing on the development of the Cell Theory and notable scientists.

Cell Theory

A fundamental theory stating that all living organisms are composed of cells, cells are the basic unit of life, and all cells arise from pre-existing cells.

Anton van Leeuwenhoek

A Dutch cloth merchant known as the Father of Microscopy, credited with inventing the microscope.

Robert Hooke

An English scientist who observed and described cells in cork, likening them to the cubicles in a monastery.

Schleiden and Schwann

Two German biologists who independently concluded that all organisms are composed of cells, forming a key part of the Cell Theory.

Rudolph Virchow

A biologist who proposed that all cells come from pre-existing cells, contributing to the Cell Theory.

Compartmentalization

The division of a cell into smaller compartments (organelles) that perform specific functions to enhance cellular efficiency.

Microscope

An optical instrument that magnifies small objects, allowing scientists to observe the detailed features of organisms.