DRAWING CONCLUSIONS
1. Study Figure 25.5 on page 597 in your textbook. Then read the details and prior knowledge listed below to draw a valid conclusion.
a. Detail: The fry remain in the gravel for several weeks, feeding from their yolk sac.
b. What You Know: Different species prey on the fry, so many fry are eaten before they mature.
c. Detail: When they reach a length of about 15 cm, Pacific salmon begin their journey to the sea.
d. What You Know: Salmon are young when they begin their journey to the sea.
e. Detail: To spawn, adult salmon spend months getting back to the river where they were born.
f. What You Know: The journey is long and dangerous.
CONCLUSION:
2. Read "Incredible Fish Story" on page 599. Then fill in the details from the text and your prior knowledge to justify the conclusion.
CONCLUSION: Coelacanths are commonplace in South Africa, but they are rare in other parts of the world.a. Detail:
b. What You Know:
c. Detail:
d. What You Know:
3. Read "Ecological Roles" on page 603 in your textbook. Which of the following choices is the most valid conclusion you can draw from this passage?
a. Fish are very similar to land carnivores.
b. Bacteria and fungi are the most serious threat that fish encounter.
c. Removing all carnivorous fish from the ocean would seriously disrupt the aquatic food chain.
d. Bottom-dwellers are usually poisonous to humans.Explain your reasoning:
4. Read "Frogs from the Sky?" on page 609 in your textbook. Which of the following choices is the most valid conclusion you can draw from this passage?
a. Frogs die out very easily.
b. Frogs do not need water to survive.
c. There are many myths about frogs.
d. Some frog myths evolved as a way to explain natural occurrences.
5. What details and prior knowledge did you use to draw your conclusion in the previous question?
6. Read "The Shy Ones Versus the Show-offs" on page 612 in your textbook. Which of the following choices is the least valid conclusion you can draw from this passage?
a. Some frogs are timid, while others are bold.
b. Creatures have adaptations for survival.
c. In the natural world, appearance is important.
7. What details and prior knowledge did you use to draw your conclusion in the previous question?
8. Why is it important to know how to draw conclusions in science, especially in biology?
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Reading Strategy 7.1 | Worksheet 7.1
Reading Strategy 7.2 | Worksheet 7.2
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