Living Things

Which of the following BEST explains why the hawk population is surviving?

• the hawks prey is a part of the food web
• the marsh grass helps feed the hawks
• the frog preys on the crickets
• the hawks compete with the snakes for food

The peppered moth has both light and dark members of the species.  An area where the bark on the trees was light colored was exposed to pollution that covered the trees in black soot.  Why did the population of light colored moths decrease while the population of dark colored moths increase?

• the dark moths blended in better
• the light moths blended in better
• the light moths flew slower than than the dark moths
• the light moths were larger than the dark moths

Maria studied four jaw bones at the museum.  Mrs. Pappas asked her to choose the jaw of the animal that most likely hunts prey to survive? Which number should she choose? 

• 4
• 3
• 2
• 1

Florida Black Bears have sharp claws on their paws.  How would this physical characteristic help the bear survive?

• climb trees
• eat berries
• run fast
• fight off predators

During the droughts of 1992-93 and 2006-08 a scientist counted 4 different species of frogs in several locations.  Which number species of frogs seemed to be adapted to the dry conditions the best? 1, 2 3 or 4?

• 1
• 2
• 3
• 4

Endothermic animals are warm-blooded and regulate their own body temperature.  Exothermic animals are cold-blooded  and rely on the environment to regulate their body temperature. Which type of animal is most likely to survive in a cold climate?

• a mammal with thick fur
• an animal that can fly
• a cold-blooded amphibian
• snakes that lay eggs

A toad has to warm itself differently than a cat does.  Which of the following best describes this?

• a toad has to lay in the sun
• a toad has to go into the water
• a toad has to dig a hole and crawl in it
• a toad has to lay eggs to warm up

A grasshopper eats a particular type of marsh grass in the Everglades.  A swamp disease spreads and kills off the marsh grass.  Which of the following would be the most likely change in behavior for the grasshopper?

• it finds another plant to eat or it moves to another location to find food
• it jumps higher to escape prey and finds a mate to reproduce 
• it starts hunting smaller insects and hibernates in the winter
• it rubs its legs together to attract a mate and hides from predators

Which of the following adaptations of a cactus helps it survive in the dry desert climates?

• it stores water in the thick stem
• the prickly spines help keep predators away
• the cactus grow very tall
• the cactus grows flowers to attract pollinators

A mosquito's life cycle depends on temperature and daylight. Global warming is causing temperatures to rise and this allows the mosquitoes to reproduce more and for a longer period of time.  Which of the following describes why this happens?

• they are adapting to changes in their environment
• their population is decreasing
• they have to compete for resources
• they are losing their habitat