Life Cycles

The life cycle of a flowering plant starts again when a mature plant produces...

• leaves

• roots

• seeds

• petals

What are the four stages in the correct order of the butterfly cycle?

• egg, larva, inchworm, butterfly

• larva, egg, mucus, butterfly

• egg, larva, pupa, adult butterfly

• larva, chrysalis, egg, butterfly

Tags

NGSS.3-LS1-1

Which of these animal activities is most like the stage of the life cycle in which seeds are released?

• A snake shedding its skin

• A bird laying an egg

• A swarm of bees leaving a hive

• A tadpole growing into an adult

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

• seedling

• sprouting seed

• mature plant

• young plant

How are adult animals and adult plants the same? Both adult animals and adult plants...

• can make their own food

• have a larva stage

• can produce offspring

• have at least two legs

Tags

NGSS.MS-LS3-2

How is a plant life cycle usually different from an animal life cycle? During their life cycle, only plants...

• grow larger

• produce seeds

• eat food

• move about

Some students are investigation the life cycle of the spotted salamander. They learn that these salamanders must live close to water and lay their eggs in water. After 20-60 days the eggs hatch as larvae that must stay in the water until they mature into adult salamanders. The students infer that the life cycle of the spotted salamander is similar to the life cycle of the frog because both animals...

• have long tails and strong jumping legs as adults

• live near water and produce larvae with wings

• lay eggs in water, which hatch into larvae that live in water

• produce offspring that hatch from eggs and look like adults.

Some species of rainforest frogs reproduce in the moist leaf litter on the forest floor. These frogs do not need a nearby body of water to complete their life cycle. Which stage of the typical frog life cycle is most likely missing from their life cycle?

• egg

• tadpole

• pupae

• adult frog

What would you most likely happened if tomato plants suddenly stopped producing seeds?

• The life cycle would stop and eventually the plant would become extinct.

• The tomato plants would continue to grow without producing tomatoes.

• The other plants in the area would also stop producing seeds.

• The plants would begin growing a different type of fruit.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

Looking at the life cycle of a frog. Which statement is not true about frogs?

• Both frogs and tadpoles breathe underwater.

• Tadpoles are immature frogs.

• Frogs lay eggs.

• Tadpoles do not have legs.