1. 5/12 & 5/ th Grade Agenda
Learning Objective: Learn about Amphibians
Collect HW: Reading & Notetaking 222 – 223
Chap 11 Test
Video: Frog Dissection
Video: BBC Life (Fish)
Textbook Reading 463 – 467
HW: Reading & Notetaking 225 – 226

2. Reflection
Prompt: Write 3 facts that you know about frogs

3. How do Fish obtain Oxygen?
Fish obtain oxygen in the water through its gills

4. Do Fish break down H2O into Hydrogen and Oxygen?
Fish do not break H2O into hydrogen and oxygen.
There is oxygen gas dissolved in the water.
Their gills extract this oxygen gas out of the water and return CO2 just as our lungs do.
What would happen to the fish if there was no oxygen in the water?

5. Most fishes have external fertilization
In external fertilization, the eggs are fertilized outside the female’s body.
The male hovers close to the female and spreads a cloud of sperm cells over the eggs she releases
There are exceptions – Guppies, Mollies (Live birth)

6. Amphibians evolved from Fish
Mudskipper Fish (Type of Goby Fish)
It can live out of water for long periods
It can breath through its skin just like Amphibians

7. What are Amphibians? The word amphibian means “double life”
After beginning their lives in water
Most amphibians spend their adulthood on land
Returning to water to reproduce.

8. Life cycle of an Amphibian

9. Do tadpoles have lungs or gills?

10. Do frogs have lungs or gills?