Fill in each blank with the correct word from the lesson.

1. Water _______ breathe and move through liquid.
2. That match between body and habitat is called _______ation.
3. _______ is evolution's way of making a perfect fit between animal and home.
4. They breathe through gills, which extract _______ dissolved in water.
5. Its hump stores fat — an _______ reserve for when food is scarce.

Choose the best option for each question.

1. What does a camel's hump store?
   a) Waterb) Airc) Fat as an energy reserved) Blood
2. How do fish breathe underwater?
   a) They hold their breathb) Through gills that extract oxygen from waterc) Through their skind) They come to the surface
3. Why do penguins huddle together?
   a) To find foodb) For warmth in cold weatherc) To sleepd) To protect eggs only

Write T for True or F for False in the brackets.

1. Fat as an energy reserve is one of the key concepts in the lesson on How Animals Adapt.
2. Water is the main topic of this lesson.
3. Through gills that extract oxygen from water is one of the key concepts in the lesson on How Animals Adapt.
4. They hold their breath is the main topic of this lesson.

1. In your own words, explain what How Animals Adapt means.
2. List two things you learned from this lesson on How Animals Adapt.