Freshwater Biome Quiz

What percentage of Earth's water is freshwater, and what is notable about the diversity of life in these waters?

• 3% and it supports a wide variety of life

• 97% and it has limited biodiversity

• 50% and it is mostly uninhabited

• 10% and it is home to only a few species

What is a keystone species, and which animal is considered one in the freshwater biome?

• A species that an ecosystem heavily relies on; the beaver

• A species that is the fastest; the dragonfly

• A species that is rare; the river otter

• A species that is the largest; the bullfrog

How do river otters prevent water from entering their ears and nostrils while diving?

• They use special earplugs

• They have waterproof fur

• They swim backwards

• They close their ears and nostrils

What adaptation allows loons to dive deep into the water?

• Hollow bones

• Solid bones

• Long necks

• Webbed feet

What role do freshwater mussels play in their ecosystem?

• They are used for navigation

• They filter and clean the water

• They provide food for large mammals

• They are top predators

What is unique about the life cycle of bullfrogs?

• They remain in the water their entire lives

• They are born with fully developed lungs

• They are born on land and move to water

• They undergo metamorphosis from tadpoles to adults

Why do painted turtles bask in the sun?

• To dry their shells

• To warm their bodies

• To attract mates

• To escape predators

What is the primary hunting strategy of the northern pike?

• Using camouflage to sneak up on prey

• Hunting in packs

• Ambushing prey from hiding spots

• Chasing prey over long distances

How do alligator snapping turtles lure their prey?

• By changing colors

• By swimming rapidly

• By making loud noises

• By using a worm-like part of their tongue

What is a notable feature of dragonfly flight?

• They can only fly forwards

• They can fly for long distances without stopping

• They can only fly during the day

• They can hover and fly backwards