1. 5/4 - 7th Grade Agenda Learning Objective: Learn about Arthropods
Collect HW: Reading & Notetaking 214– 215
Textbook Reading p. 443 – 445
HW: Reading & Notetaking p

2. Reflection
Prompt: Write 3 questions that you have about star fish.

3. What are Arthropods? Arthro = “Jointed” Pod = “Foot” Insects Spiders
Scorpions
Lobster
Crab
Shrimp
Centepedes

4. Comparing Arthropods

5. What is Complete Metamorphosis?

6. Caterpillar Anatomy

7. What is Gradual Metamorphosis?

8. What are Arachnids? Ticks, Mites, Scorpions & Spiders
two body sections
four pairs of legs

9. What is the world’s largest spider?
Goliath bird-eater Spider
Eats mainly insect but will also eat lizards, bats and birds
12 inches long
Lives in South America
Female will eat the male after mating

10. How many eyes does a spider have?
Most have 8 eyes
Some spiders have 6, 4, 2, 0 eyes
But most spiders have 8 eyes

11. How does spiders smell and hear?
Spiders smell and hear with tiny hair on its legs

12. What are the characteristics of Echinoderms?
Echino = “Spiny”, Derm = “Skin”
Endoskeleton: Endo = inner, skeleton
Five part radial symmetry
Internal fluid system: Water vascular system

13. Echinoderm’s Body

14. Echinoderms are more closely related to humans than sponges
Starfish Larva
(Bilateral Symmetry)
Mature Starfish
(Radial Symmetry)

15. Starfish facts They can reproduce sexually and asexually
A sea-star arm can only regenerate into a whole new organism if some of the central disk of the sea star is part of the chopped off arm.
They don’t have a brain, heart or blood
They get their oxygen through their tube feet
They have a skeleton

16. Reflection
Prompt: Write 5 facts from the video.