Worksheet: Adaptations of Animals

In this worksheet, we will practice describing and explaining the adaptations animals have to their environment.

Q1:

Which of the following is not an adaptation an organism living in a cold environment would have?

  • ASmall areas of skin exposed to the environment
  • BA large surface area (relative to their volume)
  • CA layer of fat, or blubber, underneath the skin
  • DThick fur covering the body
  • EA small surface area (relative to their volume)

Q2:

The caterpillar of a species of woolly bear moth has adaptations that include dark, long hairs on its surface and chemicals that prevent its cells from freezing. What environment is this caterpillar most likely to live in?

  • ADeserts
  • BUK woodland
  • CThe Arctic
  • DRain forests
  • EDeep oceans

Q3:

Which of the following adaptations would aid a carnivore’s survival?

  • ATeeth specialized in tearing flesh
  • BA digestive system specialized in breaking down seeds and plants
  • CEyes positioned on the side of the head to detect predators
  • DTeeth specialized in grinding organic matter

Q4:

Which of the following adaptations would aid a herbivore’s survival?

  • ATeeth specialized to grind organic matter
  • BEyes positioned on the front of the head to detect prey
  • CTeeth specialized to tear flesh
  • DA digestive system specialized to break down bones

Q5:

The picture provided shows a young elephant. How do the elephant’s ears help it adapt to its environment?

Young Elephant.
  • AThe ears can be flattened to make the elephant look smaller and less likely to be attacked by predators.
  • BThe ears provide a large surface area, allowing more body heat to be lost.
  • CThe ears allow good balance when reaching up into the trees for food.
  • DThe ears can be moved to attract prey species.
  • EThe ears provide a large area for water to be stored in.

Q6:

The picture provided shows a tiger in a part of its natural habitat. What type of adaptation is the tiger demonstrating, and what is its benefit?

A bengal tiger (panthera tigris)
  • AStructural, cooling down to regulate temperature
  • BBehavioral, entering the stream to hunt for prey
  • CBehavioral, cooling down to regulate temperature
  • DFunctional, entering the stream to hunt for prey

Q7:

Which of the following is a structural adaptation that an organism living in a hot environment may have?

  • ADark fur to absorb heat
  • BThe ability to hibernate during the colder months
  • CA small surface area to conserve heat within the body
  • DA large surface area to allow heat to be lost from the body
  • EA thick layer of fat underneath the skin

Q8:

An organism has adaptations that include a streamlined body and the ability to survive very high pressures. In what environment is this organism most likely to live?

  • ADeserts
  • BDeep oceans
  • CRain forests
  • DWoodlands
  • EArctic

Q9:

The picture provided shows a pair of dolphins. How are these dolphins adapted to their environment?

Two dolphins smimming
  • ADolphins are covered in scales, allowing the water to pass over them easily.
  • BDolphins have two sets of fins, increasing their surface area, so more heat can be lost from their bodies.
  • CDolphins have a long nose, increasing their sense of smell to detect predators when they are near.
  • DDolphins have many large teeth, allowing them to hunt prey that is larger than them.
  • EDolphins have a streamlined shape, so they can move easily through the water.

Q10:

Adaptations can be broadly classified into three groups: structural, behavioral, and functional/physiological. A brief description of each group is given.

  1. Processes within an organism
  2. Physical features of an organism
  3. Actions that provide an advantage

Which of the following is the correct order of the type of adaptations described?

  • AFunctional/physiological, behavioral, structural
  • BBehavioral, structural, functional/physiological
  • CStructural, functional/physiological, behavioral
  • DFunctional/physiological, structural, behavioral

Q11:

What behavioral adaptations might an animal that lives in a hot environment have?

  • ADeveloping a thick layer of fat underneath the skin to prevent absorption of heat
  • BFinding shade during the hottest parts of the day
  • CDark-colored fur to reflect sunlight
  • DThe ability to store water in body tissues
  • EA small surface-area-to-volume ratio to increase heat loss

Q12:

What key term is given to the features that make an organism well suited for their environment?

  • AAdaptations
  • BGenotypes
  • CCharacteristics
  • DFunctions
  • EResponses

Q13:

An organism has adaptations that include light-colored fur, large ears, and the ability to go for a long time without water. In what environment is this organism most likely to live?

  • ADeep oceans
  • BWoodlands
  • CThe arctic
  • DRain forests
  • EDeserts

Q14:

For the following examples, state whether they are examples of structural, behavioral, or functional (physiological) adaptations.

During hibernation, the metabolism of a brown bear will slow down, so that the body can conserve energy.

  • AFunctional
  • BStructural
  • CBehavioral

During the winter months, birds like British swallows migrate to South Africa.

  • ABehavioral
  • BStructural
  • CFunctional

Arctic foxes have white fur, allowing them to camouflage with the environment.

  • ABehavioral
  • BFunctional
  • CStructural

Q15:

For the following examples, state whether they are examples of structural, behavioral, or functional (physiological) adaptations.

Some species of fish contain antifreeze proteins to survive at low temperatures.

  • AStructural
  • BBehavioral
  • CFunctional

During the hottest part of the day, lions will often lie in the shade.

  • AFunctional
  • BStructural
  • CBehavioral

The leaf-tailed gecko has colors and patterns on its body that allow it to resemble a leaf.

  • AFunctional
  • BStructural
  • CBehavioral

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