Grouping of Animals
Science - Third Grade
Life Cycles of Plants and Animals
Multimedia Lesson
Classification
Presentation
What are Ecosystems?
Presentation
Explore
Presentation
What are Ecosystems?
Presentation
Life Cycles of Plants and Animals
Presentation
Exploring Ecosystems
Virtual Lab
Living or Nonliving?
Interactive
Matching Parts of the Ecosystem
Interactive
Living Organisms Sorting
Interactive
Frog Life Cycle Matching Interactive
Interactive
Butterfly Life Cycle Matching Interactive
Interactive
Variation Interactive Matching Activity
Interactive
Adaptation Interactive Matching Activity
Interactive
Grouping of Animals
Study Guide
Grouping of Animals
Quiz
Grouping of Animals
Flash Cards
Grouping of Animals
Worksheet
Grouping of Animals
Game
Grouping of Animals
Vocabulary List
Study Guide Grouping of Animals
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GROUPING OF ANIMALS Animals can be classified, or grouped together, by the things they have in common, such as how they act, where they live, or how they look. This is one way scientists organize what they are studying. Scientists separate animals into two main groups related to whether the animal has a backbone in its body or not. Those animals with backbones are part of the vertebrates group. Those animals without a central backbone are invertebrates. Vertebrates There are five main groups of vertebrates based on specific animal traits and characteristics. Those groups include fish, birds, reptiles, amphibians, and mammals. Fish are vertebrates that live their whole lives in water. Fish breathe oxygen through their gills and have scales on their bodies. © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Birds are also a group of vertebrates. A bird has feathers, wings, and a beak. Birds breathe oxygen through their lungs. Reptiles are also a group of vertebrates. Snakes, crocodiles, and turtles are all examples of reptiles. Reptiles breathe through their lungs. Another group of vertebrates are amphibians, which include frogs and toads. Amphibians live in water and on land. Most amphibians start off breathing through their gills in water at a very young age. As an amphibian grows and begins to live on land, it develops lungs in order to breathe on land. Mammals are also vertebrates. Mammals are animals that have hair, breathe through their lungs, and feed their babies milk from the mother. Examples of mammals are dogs, cats, and humans. Lesson Checkpoint: What are the five main groups of vertebrates? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Invertebrates Now for the animals without backbones. Invertebrates are animals that do not have a backbone. Most animals living in the world today are invertebrates. A spider is an example of an invertebrate. Most kind of invertebrates are insects, such as flies. Isn’t it amazing that there are more of this kind of animal than vertebrates on the Earth! Invertebrates do not get as big as vertebrates are able to. The bones and backbone of a vertebrate helps support its body, which means a vertebrate can be larger. Invertebrates have liquid sacs or shells that serve as support for their bodies. Lesson Checkpoint: What is an invertebrate? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Four Kinds of Invertebrates There are four major kinds of invertebrates: sea jellies, arthropods, worms, and mollusks. Sea jellies have soft bodies, they live in the ocean, and they have body parts that can sting. Jellyfish are examples of sea jellies. Arthropods’ skeletons are on the outside of their bodies. Arthropod bodies are made up of several parts and sections. An example of an arthropod is a beetle. Worms are also invertebrates. Worms have soft bodies and live underground. Mollusks also have soft bodies, but most mollusks have shells to protect and support their soft bodies. An example of a mollusk is a snail. Lesson Checkpoint: What are the four major kinds of invertebrates? © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.
Table Of Contents: Life Cycles
1. Lesson Objectives
2.1. Life Cycles of Plants and Animals
2. Engage
3.1. Planting a Seed
3.2. A Growing Plant
3.3. Butterfly
3. Explore
4.1. Plants and Animals
4. Explain
5.1. Plants
Plants are living things that need water, air, nutrients and sunlight to grow. There are two main kinds of plants - plants with flowers and plants without flowers. Plants with flowers include fruit trees and any plant with flowers. Plants without flowers include pine trees, mosses and ferns.
5.2. Main Parts of Plants
A plant has many important parts, such as roots, stem, leaves and flowers. Each part of the plant has different functions that make it possible for the plant to live.
5.3. Roots
Roots help support the plant by anchoring it into the ground. Roots have tiny hairs that absorb nutrients from the soil, which a plant needs to grow. These root hairs also take in water from the soil, which a plant needs to live and grow.
5.4. Stem
A plant's stem is used to support the plant. The stem allows the plant's leaves to reach above the soil so that they may take in the sunshine. A plant's stem carries the water and nutrients that are taken in by the plant's roots to the rest of the plant.
5.5. Leaves
Leaves are the parts of a plant where the plant's own food is made. They use sunlight, air, water and nutrients from the soil to make their own food through a process called photosynthesis.
5.6. Flowers
The main job of the flower of a plant is to make seeds. New plants grow from these seeds. Some plants form fruit to help protect their seeds.
5.7. Parts of a Plant Interactive Matching Activity
5.8. What a plant needs to grow...
Plants need many essential things in order to grow, such as water, air, nutrients, sunlight, and warm temperature. Plants need their space too!
5.9. Germination
Germination is the process by which the plant embryo inside a seed grows and a seedling grows above the soil. A seedling is a young plant that is in its early stages of growth.
5.10. Plants have different life cycles...
Living things have different life cycles. A life cycle is the way a living thing grows and changes. A flowering plant's life cycle describes the steps a plant takes to grow and become an adult plant.
5.11. Bean Plant Life Cycle
A bean plant's life cycle includes four stages: 1. Seed - contains the embryo, which will develop into the plant; 2. Sprouting seed - germinates or grows root and stem; 3. Seedling- its first leaves make food 4. Mature plant- can make seeds that will begin the life cycle again!
5.12. Bean Plant Life Matching Interactive
5.13. Animals
There are many different kinds of animals. Animals are grouped into two kinds - animals with backbones and animals without backbones.
5.14. Animals with backbones
Animals with backbones include mammals, birds, fish, amphibians and reptiles.
5.15. Animals without backbones
Most kinds of animals do not have backbones. Animals without backbones include insects, worms, crabs, spiders and many others.
5.16. Animal Growth & Reproduction
Animals produce offspring in a variety of ways. For example, many animals have live births. The offspring develop inside the female parent which then gives birth to the live young. Other organisms, like chickens and frogs, lay eggs instead of having live births. Animal life cycles vary in how long they take.
5.17. Frog Life Cycle
Like all amphibians, frogs spend their lives near water because they must return to water to lay their eggs. The four stages of a frog's life cycle include: 1. Frog eggs are laid in water. 2. Tadpoles hatch from the eggs. They breathe with gills and swim using a tail. 3. The froglet still has part of its tail and starts to breathe using its lungs. 4. By the time a froglet becomes an adult, its tail is reabsorbed.
5.18. Frog Life Cycle Matching Interactive
5.19. Butterfly Life Cycle
Butterflies and moths go through complete metamorphosis and undergo four stages of development: egg, larva (caterpillar), pupa (Chrysalis), and adult.
5.20. Butterfly Life Cycle Matching Interactive
5.21. Dragonfly Life Cycle
Most insects go through complete metamorphosis, but some, such as dragonflies, go through incomplete metamorphosis. This life cycle includes three stages of development: egg, nymph, and adult.
5.22. Dragonfly Life Cycle Matching Interactive
5.23. Inheritance of Traits
Have you ever wondered why offspring , the young of a plant or animal, often look like their parents? This is due to the inheritance of traits, which means that parents pass on their traits to their offspring. Animals inherit traits such as the shape and color of their body parts. Plants inherit traits such as leaf shape and flower color.
5.24. Animal Variation Due to Inherited Traits
Some offspring may appear different than one or both parents. This is because the offspring receive traits from both parents resulting in a unique combination that is different from either parent. Variations in humans are height and eye color. A child's parents may both have brown eyes, yet the child could have blue eyes.
5.25. Variation Due to Environment
Characteristics of plants and animals can be affected by their surroundings, climate or diet. For example, if you eat too much you will become heavier, and if you eat too little you will become lighter. A plant in the shade of a big tree will grow taller as it tries to reach more sunlight.
5.26. Variation Interactive Matching Activity
5.27. Adaptation
An adaptation is a trait or characteristic that helps a living thing survive in its environment. For example, it takes special adaptations to be able to live in a very cold environment. Polar bears have thick blubber and dense fur to help keep them warm.
5.28. Adaptation Interactive Matching Activity
5.29. Life Cycles of Plants and Animals
5. Virtual Investigation
6.1. Normal Conditions
6.2. No Light
6.3. No Water
6.4. Too Much Water
6.5. Analysis
6. Evaluate
7.1. Life Cycles of Plants and Animals
7. Lesson Summary
8.1. Life Cycles of Plants and Animals
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