Who was the first scientist to discover cells?

• Albert Einstein
• Isaac Newton
• Robert Hooke
• Charles Darwin

What did Anton van Leeuwenhoek discover when he used microscopes to observe drops of water?

• microorganisms

• macroorganisms

• rocks

• empty chambers

What did van Leeuwenhoek call his new discovery at first?

• little beasties

• beastie boys

• cells

• tiny little guys

Matthias Schleiden was a German...

Theodore Schwann was a German...

In 1858, Rudolph Virchow noted that:

• cells could only arise from preexisting cells

• all plant tissues were composed of cells

• all animal tissues are composed of cells

• all kleenex tissues are composed of cells

Please select ALL of the statements that fit into The Cell Theory:

• All living things are composed of cells

• Cells are the basic unit of structure and function in living things

• New cells are produced from existing cells

• Old cells recycle into new cells once their function is complete

Living organisms obtain energy from their surroundings. Heterotrophs are...

True or False: Heterotrophs CANNOT make their own food.

• True

• False

Select all of the organisms that are heterotrophs:

• animals

• fungi

• humans

• bacteria