2. 1.How do the life cycles of plants and animals compare? A Only animals have life cycle stages. B Only plants have life cycle stages. C Both plants and animals have life cycle stages. D Neither plants or animals have life cycle stages.

3. 2.Which of these shows the correct order of corn plant development pictured above? A 4, 1, 3, 2 B 3, 4, 1, 2 C3, 1, 4, 2 D 4, 3, 2, 1

4. 3. The diagram above shows the growth of a tree. At which stage(s) does the plant rely on roots to absorb water for the plant? A mature tree B young tree C seedling D all of the above

5. 4.As part of their life cycle, some plants develop fruits. What is the primary purpose of a plant’s fruits? A for growth B for reproduction C for water absorption D for photosynthesis

6. 5. Between which stages will the frog need to develop lungs so it can breathe? A between stage 1 and 2 B between stage 2 and 3 C between stages 3 and 1 D none of the above

7. 6.A ladybug goes through complete metamorphosis. Which of the following is NOT a stage in the life cycle of a ladybug? A egg B larva C nymph D adult

8. 7.Which of the following statement about the darkling beetle is NOT true? A The larva of the beetle look different from the parent. B The females in the adult stage lays eggs for the next generation. C During the pupa stage, the beetle must eat a great deal to provide energy for all of the changes that occur during this stage. D The insect emerges from the pupa stage as a mature adult. The diagram below shows the life cycle of a darkling beetle. The stages in its life cycle are labeled W, X, Y, and Z.

9. 8. The diagram above shows a larva of an unknown insect. All of the following are true about this larva EXCEPT – A The adult insect will look similar to this larva. B The next stage in the development of this insect will be the pupa stage. C This larva hatched from an egg. D This insect goes through the stages of complete metamorphosis

10. 9. Between which two stages will the student most likely observe ripe tomatoes? A Stages 1 and 2 B Stages 2 and 3 C Stages 3 and 4 D Stages 4 and 1 A student made the diagram below to model the growth of a tomato plant.

11. 10. In the life cycle of a grasshopper, the young look much like the adult grasshoppers. What is one way the nymphs are different from the adults? A The nymphs lack antennaes B The nymphs don’t eat and the adults do C The adults cannot lay eggs D The nymphs lack wings

12. 11. At which stage in the life cycle of a plant are seeds produced?

13. 12. Mr. Chen’s class observed the life cycles of a cockroach and a mealworm. The cockroach grew in size, but appeared similar to how it did when it hatched. The mealworm eventually turned into a beetle and appeared to be completely different. Which conclusion can Mr. Chen’s students draw? A Cockroaches and mealworms both undergo complete metamorphosis. B Cockroaches and mealworms both undergo incomplete metamorphosis. C Cockroaches undergo complete metamorphosis, while mealworms undergo incomplete metamorphosis. D Cockroaches undergo incomplete metamorphosis, while mealworms undergo complete metamorphosis.

14. 13.Many types of plants grow in a forest ecosystem. How do plants affect the air that forest animals breathe? A Plants use oxygen from the air to make food. B Plants release pollution into the air. C Plants release energy from the sun into the air. D Plants take in carbon dioxide and release oxygen into the air.

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