Ages 8–9🔬 ScienceBeing planted

Variation & Survival Advantage

Use evidence to explain how variations in characteristics among individuals of the same species may provide advantages in surviving, finding mates, and reproducing

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Question 1 of 3

In a garden, most ladybugs are bright red, but a few are dark brown. A bird that eats ladybugs prefers the bright red ones because they are easier to see. Which ladybugs are most likely to survive and have babies?

Question 2 of 3

In a pond there are 120 fish. 45 of the fish have a striped pattern, 75 have a solid color, and none have both patterns. If one fish is chosen at random, what is the probability that it has a striped pattern?

Question 3 of 3

Scientists have found that ladybugs contain a bitter chemical that makes birds avoid them when they see a bright red color. In a garden, some ladybugs have bright red shells with black spots and others have dull orange shells with black spots. Which characteristic would most likely give a ladybug the greatest advantage for surviving when birds hunt for insects?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.