Looking Out For Lizards

What is Earthwatch?

• A type of horned lizard

• A group of volunteers who study horned lizards in Arizona

• A scientific name for a species of horned lizard

• A road construction company

How many different species of horned lizards are mentioned in the text?

• 13

• 170

• 10

• 1

Where do most horned lizards live?

• Only in Arizona

• From southern Canada to Central America

• In sandy desert homes

• In urban areas

What is causing the number of horned lizards to decrease?

• The lizards are naturally dying out

• People are building roads, houses, and malls

• The Earthwatch group is not helping enough

• There is an increase in the number of ants

What is the horned lizard's favorite food?

• Small insects

• Harvester ants

• Plants

• Small mammals

What unique defense mechanism does the horned lizard have?

• It can run very fast

• It can change colors

• It can shoot blood out of its eyes

• It can fly short distances

What was the first step the volunteers did to study horned lizards?

• They put backpacks on the lizards.

• They found the lizards.

• They took the lizards back to the lab.

• They wrote down what the lizards ate.

What did the backpacks on the lizards contain?

• Food for the lizards.

• Tiny radio transmitters.

• Antennas to pick up signals.

• Lizard droppings.

How did the volunteers find the lizards after a few days?

• By tracking their footprints.

• By using a GPS tracker.

• By following the sound of the lizards.

• By using antennas to pick up beeps from the transmitters.

What did the volunteers do with the lizard droppings?

• They disposed of them.

• They used them to attract more lizards.

• They examined them under a microscope in the lab.

• They fed them to other animals.