Animals Worksheet - KS3 - Intermediate

Animals worksheet for Key Stage 3 / Year 7-9 (Ages 11-14). Intermediate level science practice, aligned to the UK National Curriculum. Print-ready with answer key included.

Science•Key Stage 3 / Year 7-9 (Ages 11-14)•Animalsintermediate

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Exploring Animal Science

Key Stage 3 / Ages 11-14 / Intermediate

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Instructions: This worksheet will guide you through various aspects of animal science, including ecosystems, adaptations, and food webs. Each activity is designed to enhance your understanding of these topics through engaging and interactive tasks.

Understanding Food Webs

Examine the food web below and answer the questions. Identify the roles of different organisms and how energy flows through the ecosystem.

Organism	Role	Prey	Predator
Grass	Producer	None	Rabbit
Rabbit	Primary Consumer	Grass	Fox
Fox	Secondary Consumer	Rabbit	Eagle
Eagle	Tertiary Consumer	Fox	None

1. Which organism is a producer?

2. Identify a primary consumer.

3. What role does the eagle play in this food web?

Animal Adaptations

Read the descriptions of animal adaptations below. Match each adaptation to the correct animal. Draw a line to connect each pair.

Draw a line to match each one

🐪

🐧

🦉

Stores fat in humps for energy

Silent flight for hunting at night

Has a layer of blubber for insulation

Investigating Ecosystems

Complete the sentences using the words from the word bank. Each sentence describes an aspect of ecosystems.

Word bank: biodiversity, competition, adaptation, extinction

1. The variety of life in an ecosystem is known as ___.

2. When two species vie for the same resources, it is called ___.

3. A trait that helps an organism survive in its environment is an ___.

Energy Flow in Ecosystems

Study the diagram of energy flow in an ecosystem. Answer the questions based on your observations.

Word Bank

Upper EpidermisLower EpidermisSpongy MesophyllStomataPalisade MesophyllVascular Bundle

1. What is the primary source of energy for the leaf?

2. Which part of the leaf is responsible for photosynthesis?

Animal Classification

Classify the following animals into their correct categories: Mammals, Birds, Reptiles, Amphibians. Write your answers in the boxes provided.

🦁 🦅 🐍 🐸

Mammals:

Birds:

Reptiles:

Amphibians:

Adaptation Essay

Write a detailed essay explaining how adaptations help animals survive in their environments. Use examples of specific animals and their adaptations. Discuss how these adaptations have evolved over time.

Explain how adaptations contribute to the survival of animals in various environments. Provide examples and discuss the evolutionary processes involved. [15 marks]