Evolution True or False

Organisms are perfectly structured for their environment.

• True

• False

Answer explanation

Many traits are actually not perfectly structured for their use, but function well enough to give an organism a competitive advantage

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Evolution is limitless.

• True

• False

Answer explanation

Evolution has to work within the constraints of what is available.

Natural selection does not always favour

change.

• True

• False

Modern species have been evolving for

a longer period of time and are therefore

better equipped than their ancestors.

• True

• False

Answer explanation

Modern species are not better than their ancestors, they are just different.

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More complex organisms such as humans have larger genomes than simpler

organisms.

• True

• False

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Humans are the ultimate achievement of evolution.

• True

• False

Answer explanation

Evolution has no goal, it is a continuous process.

Evolution always moves from simple to complex.

• True

• False

Answer explanation

Evolution sometimes favours the loss of complexity.

Recessive alleles are weak and they will eventually disappear.

• True

• False

Answer explanation

Natural selection maintains favourable alleles regardless of whether they are

dominant or recessive.

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Evolution happened in the past, but is no longer happening today.

• True

• False

Answer explanation

Scientists observe evolution in progress today.

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Evolution is a theory, which is a well substantiated explanation for

observable facts.

• True

• False

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