Adaptation of Species 7.11C 12A

A population of birds walks along the shores of a swampy area eating small crabs, the water level increases. Which genetic variation in the bird's body will help it survive in the area?

• Longer legs for wading

• A thicker coat of feathers.

• Shorter, stronger beaks.

The habitat, area where the rabbit lives undergo an increase in temperature of two degrees Celsius above normal. What variation will help the rabbit survive with this change?

• Longer whiskers that sense vibrations

• Stronger hind legs for running faster

• Larger ears that radiate heat.

Over time, a hummingbird has developed traits including a small body, brightly colored feathers, and a long narrow beak. Which of these traits is a change that developed due to the available food sources? Note: Hummingbirds get their food from the inside of flowers.

• Long, narrow beak

• Small size

• brightly colored feathers,

Which internal structure is an adaptation that provided organisms with the function to breath on land?

• Hollow bones

• Lungs

• Heart

What environmental condition is likely to increase the amount of brightly colored and scented flowers in a type of plant over many generations?

• Increase in shade

• Higher soil nutrient levels

• Insect pollination

Mudskippers are a species or type of fish which, have developed adaptations that allow them to survive outside of the water. What climate change most likely led to these adaptations?

• Increase rain

• Frequent droughts

• Larger predators

Galapagos finches are birds, the birds on these various islands are very different from each other. Due to the different food available on the islands, what part of the finches’ body changed through natural selection? Note: Finches are able to eat nuts and bugs because of this change.

• Feather Color

• Beak shape

• Claws