Year 5 Life Cycles Worksheet - Intermediate

Year 5 Life Cycles worksheet for Year 5 (Key Stage 2 / Year 3-6 (Ages 7-11)). Intermediate level science practice, aligned to the UK National Curriculum. Print-ready with answer key included.

Science•Key Stage 2 / Year 3-6 (Ages 7-11)•Animalsintermediate

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Life Cycles: From Beginning to New Life

Year 5 Science | Ages 9–10 | Intermediate

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Instructions: Explore how animals and plants grow, change and reproduce. Read each question carefully and use the information provided to explain your thinking. Write your answers in the boxes.

Compare Animal Life Cycles

Choose the correct word from the word bank to complete each sentence. Each word is used once. Think about how the young of each animal develops into an adult.

Word bank: tadpole, adult, chick, egg, larva

1. A mammal such as a fox is born live and grows into an ___.

2. A frog hatches from an ___ and develops into a tadpole.

3. A young frog that lives in water and has a tail is called a ___.

4. A bird such as a robin hatches from an egg as a ___.

5. A butterfly hatches from an egg as a caterpillar, also called a ___.

Life-Cycle Sequence

The stages in each life cycle are mixed up. Write the correct stage numbers in order, starting with stage 1. Use each number once in each sequence.

1. Butterfly: adult butterfly; egg; pupa; caterpillar (larva). Correct order:

2. Frog: adult frog; tadpole; egg; froglet. Correct order:

3. Bird: adult bird; chick; egg; young bird. Correct order:

4. Mammal: adult; young animal; birth; growth into an adult. Correct order:

Plant Reproduction: Follow the Pollen

Use the word bank to complete each sentence about sexual reproduction in flowering plants. Read the whole sentence before choosing a word.

Word bank: seed, pollen, ovule, fertilisation, fruit

1. The anther produces tiny grains called ___.

2. When pollen reaches the stigma, it can travel towards an ___.

3. The joining of the male cell from pollen with the female cell in an ovule is called ___.

4. After fertilisation, an ovule can develop into a ___.

5. The ovary can develop into a ___ that protects the seeds.

Reproduction: Check Your Understanding

Choose the best answer for each question. Consider how reproduction helps living things produce offspring and how young animals develop.

1. Which statement describes a mammal's life cycle?

2. Which change happens during a butterfly's complete metamorphosis?

3. What is one role of a bird's egg?

4. Which is an example of asexual reproduction in plants?

Explain the Life-Cycle Clues

Answer each question in a clear sentence. Use the clue in the question and your science knowledge to explain why the stages are important.

1. A frog lays eggs in water. Why is water an important place for the eggs and young tadpoles?

2. A mammal's young feeds on milk from its mother. What does this tell you about how mammals care for their young?

3. A caterpillar eats leaves before becoming a pupa. Why does it need to feed and grow before this stage?

4. A flowering plant produces seeds after fertilisation. How can seeds help the plant's species continue?

5. Give one difference between how a bird and a mammal begin life, and one similarity in how their young grow.

Answer Key

Activity 1: adult ; egg ; tadpole ; chick ; larva

Activity 2: 1. Egg, caterpillar (larva), pupa, adult butterfly ; 2. Egg, tadpole, froglet, adult frog ; 3. Egg, chick, young bird, adult bird ; 4. Birth, young animal, growth into an adult, adult

Activity 3: pollen ; ovule ; fertilisation ; seed ; fruit

Activity 4: Young are usually born live ; The larva becomes a pupa ; It protects and nourishes the developing embryo ; A strawberry plant growing new plants from runners

Activity 5: 1. Frog eggs and tadpoles develop in water; tadpoles are adapted to live there. 2. Mammals feed and care for their young with milk. 3. Feeding provides energy and materials for growth and development before the pupa stage. 4. Seeds can grow into new plants, continuing the species. 5. A bird begins life by hatching from an egg, while a mammal is usually born live; both grow and develop into adults.