| A | B |
|---|
| backbone | the main bone, made up of many small bones joined together, that runs along the middle of the back in some animals |
| 3 characteristics of an animal are: | able to move from place to place on its own, find their own food, and eat other organisms. |
| What are the two large groups of all animals divided into? | Vertebrates and invertebrates |
| How do animals produce young? | Either by laying eggs or giving birth |
| What are animals with backbones called? | Vertebrates |
| What percentage of animals are vertebrates | 3% |
| What are animals without a backbone called? | Invertebrates |
| What percentage of animals are invertebrates? | 97% |
| Where can you find animals without backbones? | You can find them everywhere - on land, sea, and in the air. |
| What do jellyfish use to catch their food? | They use stinging cells in their tentacles to stun or kill their food. The tentacles then bring food up to the mouth. |
| How are worms classified? | Worms are classified by their body shape and structure. |
| What are the 3 body shapes of worms? | Round, flat, and segmented |
| What closes in the snail's shell to protect them? | The hard trapdoor shuts, and it covers the opening in the shell. This protects the snail from its predators. |
| What do sea stars use to move around and get food? | Sea stars use their tubelike feet. |
| Do sponges move around or stay fixed in one place? | Sponges, unlike most other animals, stay fixed in one place. |
| Why do some animals avoid eating sponges? | Sponges may smell or taste so bad that other animals won't eat them.. |
| Where are worms found? | Worms are found on land, in the water, and in other animals. |
| How do sponges get their food? | Sponges filter tiny bits of food from the water which flows through their bodies. |
| What is an exoskeleton? | An exoskeleton is the hard outer covering that supports and protects some animals without backbones. |
| Does an exoskeleton grow? | No, it does not grow. |
| What happens when an animal molts? | The animal's outer covering sheds. |
| How many legs does an insect have? | An insect has 3 pairs of jointed legs. |
| What are an insect's body parts? | An insect's body parts are the head, thorax, and abdomen |
| How many legs does a spider have? | A spider has 4 pairs of jointed legs. |
| How many body parts does a spider have? | A spider has 2 body parts, a head and an abdomen. |
| arthropods | animals (such as insects, spiders, lobsters) who have jointed legs |
| naturalist | person who studies animals and how they live |
| predator | an animal that lives by preying on other animals |
| How can worms be beneficial to farmers? | The worm's droppings help fertilize the soil |
| How can worms be a problem? | Worms may cause disease. |
