1) Hummingbirds drink nectar from the flowers of plants. Which is a common characteristic between the hummingbird and the flower? a) both are can hibernate b) both reproduce c) both use nutrients from the soil d) both use energy for photosynthesis 2) What is a characteristic of both plants and animals? a) life cycles b) learned behaviors c) produce their own food d) reproduce using seeds 3) The egg stage in the life cycle of a bird is most like which phase in the life cycle of certain types of flowers? a) seed b) spore c) pollen d) immature flower 4) Which best describes a major difference between the life cycles of a frog and butterfly?  a) The butterfly goes into a cocoon for metamorphosis and the frog undergoes metamorphosis in the water. b) The frog stops moving halfway through metamorphosis and the butterfly continues moving. c) The butterfly increases in size at each step in the life cycle but the frog remains the same size. d) The frog needs oxygen at each step in the life cycle but the butterfly does not during the cocoon stage. 5) Which is a true statement? a) Cockroaches and houseflies both undergo complete metamorphosis. b) Cockroaches and houseflies both undergo incomplete metamorphosis. c) Cockroaches undergo complete metamorphosis, and houseflies undergo incomplete metamorphosis. d) Cockroaches undergo incomplete metamorphosis, and houseflies undergo complete metamorphosis. 6) Plant and animal life cycles are alike because they both a) begin as eggs. b) require the same amount of time. c) have beginning, growing, and mature stages. d) resemble their parents from the beginning stages. 7) Which statement most accurately describes both the life cycles of a frog and a butterfly? a) All plants and animals grow quickly. b) Plants and animals reproduce the same way. c) Young plants and animals always look like their parents. d) Plants and animals must reproduce to keep the species alive. 8) A duck and turtle are different types of animals. In which way are the duck and the turtle alike? a) They both hibernate. b) They both have feathers. c) They both reproduce by laying eggs. d) They both provide milk for their young. 9) All of the following are life cycles of different animals. Which animal changes form in each stage of its life cycle? a) b) c) d) 10) Which stage in the reptile life cycle is most like the birth of a lion cub? a) hatching from an egg b) shedding the skin c) hunting for food d) finding a mate 11) Which is an example of metamorphosis? a) A caterpillar changes into a butterfly. b) An earthworm tunnels through the soil. c) A lizard lays eggs in the sand. d) A giraffe eats leaves from a tree. 12) Which stage of a frog’s life cycle can be compared to a plant seed growing into a new plant? a) when frog eggs are laid in water b) when frog eggs hatch into tadpoles c) when tadpoles live in water and breathe with gills d) when frogs use lungs for breathing out of water 13) Which is NOT a stage in the life cycle of a plant? a) seed b) larva c) adult d) sprout 14) Which statement is not a stage in the complete metamorphosis of insects? a) A caterpillar hatches from an egg. b) A hard case forms around the caterpillar. c) The insect breaks out of the hard case. d) The insect grows larger until it is adult size. 15) Which of the following are the only stages found in both incomplete and complete metamorphosis? a) larva and nymph b) pupa and nymph c) egg and adult d) egg and pupa 16) A honeybee undergoes complete metamorphosis. A dragonfly undergoes incomplete metamorphosis. Which life cycle stage applies to the honeybee, but not the dragonfly? a) egg b) pupa c) nymph d) adult 17) Which of the following is a step in the life cycle of an apple tree? a) Eggs grow from seedlings. b) Fruit forms flowers. c) Seedlings grow from leaves. d) Fertilized flowers form fruit. 18) During which stage of an insect’s life cycle does the female lay eggs? a) nymph b) larva c) pupa d) adult 19) The hardened protective case made by and enclosing a moth or butterfly pupa. a) pupa b) sprout c) chrysalis d) larva 20) A process some animals go through to become adults. It is a series of physical changes. a) metamorphosis b) pupa c) compare d) sprout

Life Cycles Review

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