Height Variation in Giraffes Quiz

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Which lizard population is most likely to survive if the environment changes to have many foods each year?

All the populations will survive because the lizards will change the length of their legs if they need to.

Populations 2 and 3 will most likely survive. (correct)

Populations 1 and 2 will most likely survive.

Only Population 2 will survive because it is the only population with variation.

If seals need to survive in cold ocean waters, what adaptation are they more likely to have?

Shorter snouts

Dark spots for camouflage

Thinner blubber (correct)

Longer fins

What is the advantage of lizards with shorter legs in climbing trees?

They can fit into smaller spaces

They can escape from foods that cover the islands (correct)

They are better at swimming

They can run faster on the ground

In which type of environment would lizards with longer legs have an advantage?

Desert environment with few obstacles Signup and view all the answers

If an island's ecosystem changes to have mostly rocky surfaces, which type of lizard leg length is more advantageous?

Longer legs Signup and view all the answers

What do thicker blubber in seals help them with in cold ocean waters?

Staying warm and surviving Signup and view all the answers

In the first text, what makes lizards with shorter legs better at climbing trees?

Their shorter legs provide better climbing ability Signup and view all the answers

What advantage do seals with thicker blubber have in cold ocean waters?

Better insulation to stay warm Signup and view all the answers

Which of the following is a disadvantage of seals with thicker blubber in warm ocean waters?

Overheating and potential death Signup and view all the answers

If there are few food sources available, which lizard population is more likely to struggle for survival?

Population 1 with longer legs Signup and view all the answers

What could be a possible reason for Population 2 to thrive if the environment changes to have limited food sources?

Their varied leg lengths help in adapting Signup and view all the answers

How do changes in the environment impact seals with thicker blubber in the provided scenario?

They might face challenges in regulating body temperature Signup and view all the answers

Why did the population of foxes with white fur increase over generations?

White foxes were better camouflaged in the snowy environment, allowing them to hunt more effectively. Signup and view all the answers

What is the primary cause of the change in the fox population over generations?

Natural selection due to environmental changes Signup and view all the answers

What principle is illustrated by the example of the guppies with small spots?

Natural selection Signup and view all the answers

Which of the following is NOT an example of an adaptation for survival?

Lizards with longer legs in environments with few trees Signup and view all the answers

What is the primary mechanism that drives the change in inherited traits over generations?

Natural selection Signup and view all the answers

Which statement best describes the principle of natural selection?

Organisms with advantageous traits are more likely to survive and reproduce, passing on their traits to future generations. Signup and view all the answers