Life Science Review Lesson

​Let's Review the Cell Theory!

How do you think the invention of the
microscope influenced the cell theory?

Multiple Choice

Which of these is NOT a part of the cell theory?

• All organisms are made of one or more cells.

• All cells come from pre-existing cells.

• All cells contain DNA.

• The cell is the basic unit of life.

​Let's review the difference between biotic and abiotic factors!

​Biotic factors - living AND once living (dead) things.

Abiotic factors - things that have never been alive.

​Biotic examples:

Humans

Animals

Plants

Bacteria

Dead stuff

Anything made of cells!

Abiotic examples:

Rocks

Water

Air

Temperature

Climate

Volcanoes

Wind

Fire

Multiple Choice

Biotic factors are ___________ things.

• lving or once living

• nonliving

Multiple Choice

Abiotic factors are ___________ things.

• lving or once living

• nonliving

Multiple Choice

Which of these is a biotic factor?

• wind

• Rotting logs

• rocks

• temperature

Multiple Choice

Which of these is NOT a biotic factor?

• Flowers

• Raccoons

• Rocks

• A dead bird

Multiple Choice

Which of these is an abiotic factor?

• Lava

• Coconuts

• Starfish

• Dead squirrel

​Let's review cells vocabulary...

Multiple Choice

Autotrophs...

• Consume other organisms for energy

• Make energy through photosynthesis

• Break down dead things for energy

• Drink coffee for energy

Multiple Choice

Heterotrophs...

• Consume other organisms for energy

• Make energy through photosynthesis

• Use sunlight for energy

• Make their own sugars

Multiple Choice

Asexual reproducers need DNA from ____ parent(s).

• 1

• 2

• 3

Multiple Choice

Sexual reproducers need DNA from ____ parent(s).

• 1

• 2

• 3