Traits, Survival, and Different Environments

Why are traits important when environments change?

• They help organisms adapt to new challenges.

• They are always beneficial regardless of the environment.

• They determine the food preferences of an organism.

• They have no effect on survival.

What might happen to giraffes if their grassland environment changed to a tropical forest?

• Giraffes would thrive due to their long necks.

• Giraffes would adapt quickly to the new environment.

• Giraffes would find new food sources easily.

• Giraffes would struggle because their traits would hinder movement.

What trait helped the peppered moth survive before industrial pollution?

• Ability to fly fast away from predators.

• Light-colored wings that blended in with tree trunks.

After trees became covered in black soot, which type of moth was more likely to survive?

• Light-colored moths.

• Moths with larger wings.

• Moths with patterns.

• Dark-colored moths.

What is one reason why modern elephants may struggle if the climate becomes much colder?

• They have smaller ears than their ancestors.

• They have developed thick fur over time.

• They possess traits suited for warm environments.

• They have a varied diet that includes ice.

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What traits did woolly mammoths have that allowed them to survive in cold climates?

• Fast running speed and camouflage.

• Thick fur and large size.

• Ability to hibernate.

• Long trunks for reaching food.

What led to the extinction of the dodo bird?

• Its inability to adapt to human predation.

• Environmental changes caused by climate.

• A change in its nesting habits.

• The introduction of new food sources.

How do polar bears adapt to their Arctic environment?

• By migrating to warmer areas.

• By swimming long distances to find food.

• By developing bright colors to blend in with ice.

• By living in large groups for protection.

What happens when a species cannot adapt to environmental changes?

• It becomes extinct.

• It evolves new traits.

Which statement is true about the peppered moth's environment today?

• The moths have evolved to become bigger.

• All moths have become extinct.

• Light moths have become the more common form again.

• Dark moths are more likely to survive due to the light trees.