Natural Selection

Squirrel Monkeys have strong legs that help them to jump easily from tree to tree. Is this a physical or behavioral adaptation?

• Physical Adaptation

• Behavioral Adaptation

Squirrel Monkeys leave a scent (smell) on trees so their mates know where to find them. Is this a physical or behavioral adaptation?

• Physical Adaptation

• Behavioral Adaptation

An example of a trait that can be entirely inherited from a parent is-

• scar on a leg

• length of hair

• Height

• playing football

a person breeds dogs with long legs. This is an example of -

• Natural Selection

• Population Estimation

• Random Sampling

• Selective Breeding

An example of a variation found in the traits of birds is having-

• two legs

• a long beak

• two eyes

• two wings

Which traits have changed over several generations?

• Hair and tail

• stripes and color

• hair and stripes

• color and hair

In which generation did a change in phenotype (physical) not occur?

• first generation

• second generation

• third generation

• each generation had a change in phenotype

What theory did Charles Darwin contribute to?

• The theory of selective breeding

• The theory of migration

• The theory of natural selection

Select the correct definition of species.

• process by which humans select organisms with desired characteristics to reproduce.

• a feature that helps an organism survive in its environment

• group of organisms with similar characteristics which are capable of interbreeding and producing fertile offspring

• substances that cause mutations

Which is NOT an example of an adaptation?

• Fur to keep warm during winters

• Talons to catch prey

• Organisms hibernating to conserve energy

• An organism with bright colors in the desert