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Earthworm by Mind Map: Earthworm

1. Nervous System

1.1. Brain

1.2. Controls senses

1.3. Detects vibrations

2. Parts of Body

2.1. Anterior - front part of worm

2.1.1. Digestive

2.1.2. Mouth

2.1.3. Brain

2.1.4. Pharynx

2.1.5. Esophagus

2.1.6. Crop - similar to a stomach

2.1.7. Gizzard

2.1.7.1. Digests good and removes all nutrients.

2.1.7.2. Contains tiny rocks and sand to mash up food.

2.1.8. Clitellum

2.1.8.1. Reproduction

2.2. Worms DO NOT have ears, eyes, or noses.

2.3. Tube-like body made up of approx. 100 Annuli - round segments

2.4. Worm body is covered with Setae - hairlike bristols.

3. Role in Ecosystem

3.1. Aerate soil

3.2. Help decomposition

3.3. Help with water circulation

3.4. Fertilize soil with casting - worm droppings

3.5. Loosen soil for roots to grow

3.6. Food for other animals and insects

4. Moving Around

4.1. Long muscles

4.1.1. Used to stretch

4.2. Round muscles

4.2.1. Used to pull long muscles together

4.3. Setae

4.3.1. Hairlike bristols

4.3.2. Helps move forward and backward

4.3.3. Helps to remain still

5. Sleep

5.1. Less active during daylight hours

5.2. Estivation

5.2.1. similar to hibernation - curl into a tight ball to slow down metabolism

6. Eat

6.1. Decaying vegetable matter

6.2. Dirt

6.3. Leaves

6.4. Animal droppings

7. Feel

7.1. Slimy

7.2. Soft

8. Color

8.1. Red

8.2. Brown

8.3. Grey

9. Length

9.1. Grow up to 30 cm.

10. Life Span

10.1. Up to 6 years

11. Best time to locate

11.1. night time

11.2. After a heavy rain

12. Life Cycle

12.1. Capsule (Cocoon)

12.2. Hatchling (baby worm)

12.3. Earthworm (adult worm)

13. Habitat

13.1. Dirt

13.2. Underground near surface

13.3. Tunnels

13.3.1. worms can burrow up to 6 feet down