LEAP CLASS

What is evolution defined as by Charles Darwin?

• Descent with modification

• Change in the genetic composition

• Natural selection

• Survival of the fittest

Aristotle's concept of 'scala naturae' is best described as:

• A hierarchical structure of all matter and life

• A theory of evolution

• A mathematical model

• A political philosophy

According to the Hypothesis of Evolution, what happens to parts of the body that are used extensively?

• Parts of the body that are used extensively become stronger and more developed.

• Parts of the body that are used extensively become weaker and less developed.

• Parts of the body that are used extensively remain unchanged.

• Parts of the body that are used extensively disappear over time.

1st Principle: Use and Disuse. If plants gradually grow taller, eventually making it difficult for the giraffe to reach its food, what will the animal do?

• The giraffe will grow a longer neck to reach the food.

• The giraffe will find food on the ground.

• The giraffe will move to a different area with shorter plants.

• The giraffe will stop eating and starve.

According to the Principle of Disuse in the Hypothesis of Evolution, what happens to a fish in a low light environment?

• It gains a better sense of sight.

• It loses its sense of sight.

• It develops a new sense.

• It remains unchanged.

What is the title of the book published by Darwin on November 24, 1859?

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Two variation of giraffes living in an environment with a lot of tall trees. What will happen to the two species of giraffes after some times?

• Long-necked species will thrive as its trait is fitted with the environment

• Short-necked species will thrive as its trait is fitted with the environment

• Both species will thrive equally

• Neither species will thrive

Fill in the blank: Inheritable traits that ______ the survival rate of the organism will be passed over generations.

• increase

• decrease

• have no effect on

• are irrelevant to

Which of the following best describes the concept of 'survival of the fittest'?

• Only the strongest individuals survive.

• Survival is based on random chance.

• Individuals best adapted to their environment survive and reproduce.

• All individuals have an equal chance of survival.

How does the environment influence the process of evolution?

• It prevents any changes in species.

• It causes all species to evolve in the same way.

• It has no influence on evolution.

• It determines which traits are advantageous.