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JLC Gr 3 Ch 3 Sci
JLC Gr 3 Chapter 3 Science
| Question | Answer |
|---|---|
| What do pets need ? | -food, water, and a place to live |
| Wild animals need to do this to survive. | -find their own food, water and place to live. |
| Animals need this to breathe. | oxygen |
| Animals need to replace this because they lose it in their breath, sweat and urine. | water |
| Animals need this to to live and grow | food |
| Animals need this to protect themselves from the weather and from other animals. | shelter |
| What do most vertebrates have? | large brains and sharp senses. |
| The five major groups of vertebrates | mammals, fish, reptiles, amphibians, birds |
| These are vertebrates that have hair or fur, have lungs, give birth to live young and feed milk to their young. | Mammals |
| Name the vertebrates that have feathers and lay eggs | birds |
| These are vertebrates that have dry skin covered with scales, have lungs, and most hatch from eggs. | Reptiles |
| Vertebrates that have legs and moist skin as adults and most lay eggs in water. | Amphibians |
| Vertebrates that take in oxygen through gills and spend their whole life in water | Fish |
| Some mammals like polar bears have a layer of this to keep them warm. | fat |
| Maria finds an animal she has never seen before. She wonders if it is a reptile or an amphibian. How might she tell the difference | A reptile will have dry scaly skin. Amphibians have moist soft skin. Most amphibians live close to the water. |
| Explain the difference between how a mammal takes in oxygen and the way a fish takes in oxygen. | A mammal takes in oxygen using their lungs. A fish uses their gills to filter the oxygen from the water. |
| Animals without a backbone. | Invertebrates |
| Which group has more animals invertebrates or vertebrates? | invertebrates |
| There are more types of these than all other animals put together. | insects |
| How many body parts and how many legs does an insect have?They have no backbone but they have a hard outer body covering. | 3 body parts & 6 legs |
| How many body parts and legs do spiders and ticks have? two body parts and eight legs. They have no backbone but they have a hard outer body covering | 2 body parts & 8 legs |
| Insects and spiders both have these features. | No backbone with hard outer body |
| Snails, clams, and squids have these features. | Soft bodies and most have heads. |
| Some snails and clams have this to protect their soft body. | hard shells |
| Some snails and clams have this to help them move. | some type of foot |
| Worms do not have these features. | shells, legs, or eyes. |
| How are invertebrates important to other living things? | Invertebrates are important to other living things. Bees and butterflies move pollen from one flower to another. Many invertebrates are food for other animals. Worms help to improve the soil for plants. People also eat invertebrates and products from inve |
Created by:
jkm1123
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