Which was discovered by Mattias Schleiden?

Plants are made of cells.

Cells are tiny roomlike structures.

Animals are made of cells.

Animalcules live in lake water.

Plants are made of cells.

Who was the first scientist to see microscopic organisms, which he named “animalcules”?

Theodor Schwann

Robert Hooke

Anton van Leeuwenhoek

Rudolf Virchow

Anton van Leeuwenhoek