Cell-ebrities
Life Cycles
Animal Kingdom
Weird Science
Eco-logical
100

This jelly-like substance fills the inside of a cell.

What is cytoplasm?

100

This is the first stage of a butterfly’s life cycle.

What is an egg?

100

This striped big cat is the largest member of the cat family.

What is a tiger?

100

This organ pumps blood through your body.

What is the heart?

100

This ocean creature has three hearts and blue blood.

What is an octopus?

200

The “brain” of the cell that contains DNA.

What is the nucleus?

200

A tadpole becomes this adult amphibian.

What is a frog?

200

This mammal is known for hanging upside down and moving slowly.

What is a sloth?

200

You use this muscle to breathe—it separates your chest and abdomen.

What is the diaphragm?

200

This desert animal can survive for weeks without water.

What is a camel?

300

These are the small "factories" in cells that make proteins.

What are ribosomes?

300

This type of reproduction involves only one parent and no joining of cells.

What is asexual reproduction?

300

Animals with a backbone are called this.

What are vertebrates?

300

This system controls your body using electrical signals.

What is the nervous system?

300

These creatures were the first living things in space.

What are fruit flies?

400

This green organelle helps plants turn sunlight into energy.

What is the chloroplast?

400

The process of a caterpillar turning into a butterfly inside a chrysalis.

What is metamorphosis?

400

This group of animals includes frogs, toads, and salamanders.

What are amphibians?

400

These are the tiny air sacs in your lungs where oxygen is exchanged.

What are alveoli?

400

This reptile can shoot blood from its eyes to scare off predators.

What is a horned lizard?

500

This double-layered structure controls what enters and leaves the cell.

What is the cell membrane?

500

This flowering plant part contains the ovule and will become a fruit.

What is the ovary?

500

This word describes animals that can live both in water and on land.

What is amphibious?

500

These vessels carry blood back to the heart.

What are veins?

500

These tiny animals can survive in space and boiling water.

What are tardigrades or water bears?

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