What is Life?

Unicellular means:

• Organisms with more than two cells.

• Organisms with one cell.

• Organisms withought cells

Bacteria:

• Multicellular

• Unicellular

• No cells

• Made of two cells only

How can we see cells:

• Telescope

• Microphone

• Microscope

• With our eyes

What are the chemicals of life?

• Food, water, lipids.

• Water.

• Lipids & proteins, carbohydrates, water, nucleic acid.

• Food, water, living space, stable internal conditions.

What are autotrophs?

• Animals that makes its own food.

• Organisms that makes its own food.

• Are cells.

• Are organisms that eats food.

What is spontaneous generation?

• Its a generation.

• Its an idea.

• The mistaken idea that living things can come from nonliving things.

• The correct idea that living things can come from nonliving things.

What is a controlled experiment?

• Two identical tests.

• Three identical tests.

• Two identical tests in every respect except for two factores.

• Two identical tests in every respect except for one factor