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3rd Grade Part Five Review What Plants Need • • • • Water Light Soil (for nutrients) Air What parts does a plant have? flower Makes seeds for new plants to grow leaves Take in air and light that plants need to make food stem Moves water through the plant; supports the plant above ground roots Take in water and minerals; hold plant in the soil Parts of a Seed • A tiny seedling plant • Food • Seed coat seedling plant food seed coat Seeds • Most plants reproduce by making seeds. • Can be found in flowers or cones • Can be spread in the air, water, or by animals Life Cycle of Plant A seed is planted and given water. The seed germinates and begins to grow roots. The seedling develops leaves for photosynthesis. The adult plant produces seeds to begin the cycle again. The seedling continues to grow. Photosynthesis The food making process of plants Water and nutrients Plant Adaptations • Parts of a plant that help it adapt to meet its needs in its environment – Tendrils (help to reach sunlight) – Thorns and spines (protect from being eaten) – Spines/modified leaves (conserve water) – Shallow roots (absorb the most water) Inherited Traits of Plants • Plants have traits they get from the parent plant that help them survive in their habitat. • Inherited traits in plants include color, size, shape, and texture of the plant. Needs of Animals • Oxygen – through lungs or gills • Food – energy from eating plants, other animals, or both • Water – from drinking in lakes or ponds or from food • Shelter - protects from weather and other animals • Light • A way to dispose of wastes Inherited Traits • Examples: brown fur, long ears, ability to spin a web, ability to swim Some are body parts: Some are behaviors: •Brown fur •Ability to spin a web •Long ears •Ability to swim •Horns •Migrate for winter •Fins •Build a nest Adaptations of Animal Groups • • • • • Mammals Have hair or fur on their body Breathe with lungs Females make milk to feed their babies Live birth Live on land or in water • • • • Birds Have feathers, two wings, and two legs. Breathe with lungs Hatch from eggs Live on land Adaptations of Animal Groups • • • • Reptiles Have dry skin covered with scales Most lay eggs on land Live in water or on land Breathe with lungs • • • • • • • • Amphibians Begin life underwater and move to land as adults Lay eggs in water Have smooth, moist skin Breathe with gills at first, then lungs. Fish Most have skin covered with scales Live in water Breathe with gills Most lay eggs Metamorphosis A change in the form or structure of an animal, usually from birth to adulthood Adult Egg Life Cycle of a Butterfly Pupa Larva The Frog Life Cycle Frogs go through a metamorphosis, or change, as they grow.