Diversity in Animals

Animals come in many different shapes and sizes to help them survive in their environment.

Different Shapes and Sizes of Animals:

Animals have evolved to have different shapes to suit their environment. For example,

• An amoeba is so tiny that the human eye cannot see it.
• Elephants are huge and strong.
• Snails are small and move slowly.
• Fish are designed to swim in water.
• Kites and butterflies have wings to fly in the sky.
• Lizards crawl on walls with their special feet.

Each of these animals has a different body structure that helps it live in its environment.

Most animals have common body parts, such as the head, neck, torso (main body), tail, and limbs (like legs, arms, or wings for movement). Inside their bodies, animals have different organ systems (like the digestive and respiratory systems) to carry out important functions, such as breathing, eating, and moving.

1. Aim: To observe microorganisms in puddle water and understand that even microscopic organisms exhibit characteristics of life.

2. Requirements: water from a puddle, glass slide, microscope, and dropper.

3. Procedure

• Use a dropper to take a small drop of water from a puddle.
• Place the drop of water on a clean glass slide.
• Carefully cover the drop with a cover slip.
• Observe the slide under a microscope.

4. Observations

• Numerous microbes can be seen moving in the water droplet.
• Amoeba can be observed moving continuously.
• Paramecium, another unicellular organism, can also be seen.
• Comparatively, larger animals like horses, bears, and tortoises are multicellular.

5. Conclusion: Excretion is a key characteristic of living organisms, including these microscopic creatures.