Earthworms.

Slides:



Advertisements
Similar presentations
Worms.
Advertisements

Holy Cross School 7th Grade Biology Wong
“Little Rings” Segmented worms Earthworms Leeches Tube worms.
Ch. 10 Phylum Annelida Segmented worms. Segmentation Divisions of body sections. Earthworm has about 100 segments.
Chapter 11, Phylum Annelida (Segmented Worms)
Earthworms. What do worms look like? soft, slimy and pink and its body is divided up into rings or segments. pointed at both ends. Earthworms do not have.
All about Earthworms By Mrs Gillespie. Earthworms burrow through the soil making tunnels. They do this by eating the soil.
KingdomAnimalia PhylumAnnelida ClassOligochaeta OrderOpisthopora FamilyLumbricidae GenusLumbricus.
Earthworm Species About 2,700 species –Nightcrawler (most common, from Europe) –Manure Worm (Compost Worm) –Green worm (can be green, pink, gray, yellow)
Sara Ramirez & Albany Gonzalez. Annelids are small worms with segmented bodies that have a true coelom that is lined with tissue derived from mesoderm.
Segmented Worms Section 27.2.
Annelids – Defining Characteristics
Chapter 37-2 Annelida.
Complete questions on Coloring sheet for tomorrow. Complete ‘Scramble Words’ Vocabulary sheet for Wednesday. Quiz on Thursday on the vocabulary for Annelida.
Earthworms 1) Earthworms are animals that live in the soil. 2) They do not have any eyes, ears, hands, & legs 3) They do not have any bones. 4) They are.
Segmented Worms: Phylum Annelida EX: Earthworms A. General Characteristics: 1. Annelid- “little rings” 2. Earthworms, blood-sucking leeches 3. true coelom:
Wiggly Worms.
Earthworms Phylum Annelida Class Oligochaeta. Where do earthworms live? They live in burrows in the dirt They live in burrows in the dirt They tunnel.
Annelids The Segmented Worms.
Phylum Annelida 1. McDougall ch. 23 annelids video McDougall videos ch 14 symbitotic relationships.
Annelida Annelid means little rings, which refer to body segments Earthworms and leeches  15,000 bilateral species of segmented worms  have true.
Segmented Worms Earthworm
 What are the three CLASSES of flatworms?  A flatworm does not have a body cavity so we call it an ________________  Flatworms have tissues and ______.
Copyright Pearson Prentice Hall
WORM DISSECTION.
4/29/13 Objective: Phylum Nematoda and Phylum Annelida *Take out HW (23.4 and 23.5) Do Now: a.What kind of symmetry to platyhelminthes have? b.What type.
ANNELIDA. Characteristics Segmented worms Segmented worms Earthworms, leeches, polychaetes Earthworms, leeches, polychaetes Annelida means “little rings”
WORM DISSECTION. NAMING Kingdom: Phylum: Class: ANIMALIA Annelida “little rings” OLIGOCHAETA “few bristles” (=SETA pl: SETAE)
Worms. Main Sense organ is skin A Worm’s skin is very sensitive to moisture, temperature, touch, and light. The worm breathes by taking air out of the.
ACAD Phylum Annelida. Copyright Pearson Prentice Hall What Is an Annelid? Annelids are worms with segmented bodies. They are coelomates with a true coelom.
Earthworms Callie H..
Annelids – Part 1 AKA Segmented Roundworms. Annelids The word annelid is derived from the word annulus which means ring.The word annelid is derived from.
Phylum: Annelida Earthworms
3 Worm Phyla (long, thin bodied animals) All eumatazoans (have true tissues) All have bilateral symmetry Develop a coelom → body cavity 1. Phylum Platyhelminthes.
27-2 Phylum Annelida. I.What is an Annelid? A. Phylum: Annelida from Latin annellus = little rings B. Description: Round, wormlike animal that has a long,
Annelids. 1. What are Annelids? 2. Segmented worms 2.They possess a coelom (body cavity)
Chapter 35 Section 2 Annelida. Characteristics Annelida Segmented worms Coelomates- true body cavity Setae- external bristles Parapodia- fleshy protrusions.
WARM UP Compare and contrast the three main classes of mollusks (Cephalopoda, Gastropoda, and Bivalvia) in terms of their body structure.
27-2 Phylum Annelida Shape of Life Video.
3/24/14 Mr. Faia 6th Grade Science
Phylum Annelida – The Annelids (Segmented Worms)
Copyright Pearson Prentice Hall
Chapter 11, Phylum Annelida (Segmented Worms)
Phylum Annelida (Chapter 27.3)
Owl Study Tips.
Phylum Annelida.
AKA Segmented Roundworms
The Invertebrates The Worms.
Annelids.
27-2 Phylum Annelida Shape of Life Video.
Chapter 18 Annelids.
Quick Refresher Anterior: head-end Posterior: tail-end
Phylum Annelida Phylum Annelida p
Lecture 15: Kingdom: Animalia
Chapter 11, Phylum Annelida (Segmented Worms)
Phylum Annelida!.
Copyright Pearson Prentice Hall
Chapter 11, Phylum Annelida (Segmented Worms)
Annelida.
Chapter 11, Phylum Annelida (Segmented Worms)
Copyright Pearson Prentice Hall
MOLLUSKS AND SEGMENTED WORMS
Cross-section through a worm near its tail end.
Earthworms.
Kingdom Animalia: Phylum Annelida: The Segmented Worms
Annelids Chapter 37.
Annelids The Segmented Worms.
Annelids Chapter 35 B.
Kingdom Animalia: Phylum Annelida: The Segmented Worms
Presentation transcript:

Earthworms

What do worms look like? soft, slimy and pink and its body is divided up into rings or segments. pointed at both ends. Earthworms do not have eyes or hands so they use their skin to feel with.

Where do worms live? Most worms that live on land live in burrows Worms cover the openings to their burrows with sticks, leaves or mud to keep out the cold and rain and to stop the burrow drying out in the hot weather.

What do worms eat? soil, sand or mud as they tunnel through it. dead leaves and other bits of plants.

Do worms have enemies? frogs birds people

How do worms move? It has tiny little hairs sticking out underneath its body. The earthworm uses these bristles to cling to the ground as it moves.

Worms and tunnels Worms spend their days tunnelling through soil. Worms usually tunnel at least 20cm everyday.

Sample Annelids

Earthworm Internal Anatomy

External Earthworm – Yes this is what it will look like!!

Ugh!!! – The Insides of that little creature!!

In case you missed it – another inside look.

Earthworm Cross Section Dorsal Blood Vessel Intestine Coelom Nephridia Epidermis Muscle Layer Ventral Nerve Cord Ventral Blood Vessel

Leeches have a medicinal purpose in many parts of the world.