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I. Fill in the blanks—Complete the following sentences with words from Lessons 1− 4.
1) The s_ _ _ _ _ on cactus are very sharp.
2) Male flower make p_ _ _ _ _.
3) Some birds m_ _ _ _ _ _thousands of kilometres.
4) We know apples are fruit because they have s_ _ _ _.
5) A wolf is an example of a p_ _ _ _ _ _ _.
II. Answer the following questions.
1) What are three examples of vegetables?
__________,__________, and__________.
2) What are three example of fruit?
____________,____________, and__________.
3) What is a place where water evaporates very quickly?
4) What is a place that has harsh conditions?
5) How do spines help a cactus survive?
III. Read the following sentences. Write Yes or No for each one.
____ 1) Insects help pollinate flowers
____ 2) Cucumber is a fruit.
____ 3) Roots are under the ground.
____ 4) A stem is the long part of the plant.
____ 5) Green beans are a kind of predator.