Adaptations & Natural Selection

A(n) _____________ is a trait that helps an organism survive and reproduce.

Match the type of adaptation with the correct example.

Animals that only eat meat are called (a)   Animals that only eat plants are called ​ (b)   Animals that eat both plants and animals are called ​ (c)   If an animal hunts other animals for survival, it is a ​ (d)   , and if it is hunted, it is the ​ (e)  

When cold-blooded animals prepare their bodies for winter, the process is known as __________.

_____________ sailed on the British ship, HMS Beagle and studied on the __________.

Compare and contrast the iguanas Darwin observed:

Draw the beak shape that would be BEST for a bird that picks insects off of sticks.

Scientists said they could identify which island a __________ was from just by looking at them.

Match the factors of Natural Selection with their description.

When animals fight for resources, it is called ​ (a)   . If there are too many offspring, or ​ (b)   , and some animals may die out. The ones that survive have the positive ​ (c)   of the trait, and are more desirable for ​ (d)   of a mate.