In early spring, diamondback rattlesnakes in Mexico's Sonoran Desert awaken from hibernation. Females bask in the sun to aid egg development, while males engage in ritualistic displays to win mating rights. After mating, the snakes hunt for food, using their venom to subdue prey. They carefully align and swallow their prey whole, demonstrating their unique feeding adaptations.

What is the primary reason diamondback rattlesnakes emerge from hibernation in early spring?

• To find water

• To escape predators

• To feel the warmth of the sun

• To migrate to a new location

Why do female rattlesnakes bask in the sun?

• To hunt for food

• To shed their skin

• To attract mates

• To warm their bodies and help their eggs develop

What do male rattlesnakes do to compete for access to females?

• They fight using their venom

• They perform a ritual to show their size and strength

• They offer food to the females

• They build nests

What happens to the male rattlesnake that loses the competition?

• It leaves the area

• It becomes the leader of the group

• It tries to find another female

• It attacks the winner

How long can male and female rattlesnakes remain together during mating?

• A month

• A few hours

• An entire day or more

• A week

Why are the rattlesnakes particularly hungry after mating?

• They have been fasting for five months

• They are preparing for hibernation

• They are feeding their young

• They need energy for migration

What type of venom do diamondback rattlesnakes use to subdue their prey?

• Neurotoxic

• Cytotoxic

• Hemotoxic

• Myotoxic

How do diamondback rattlesnakes ensure they can swallow their prey efficiently?

• By cutting it into smaller pieces

• By swallowing it tail first

• By aligning it headfirst

• By removing the fur

What adaptation allows diamondback rattlesnakes to consume prey larger than their skull?

• Expandable stomach

• Sharp teeth

• Flexible skin

• Unhinging jaws