Fossils B/C

[hmmm]

1.ID genus + class
2. What does its name mean?
3. What is its shell made of?
4. How does it feed?

[wec01]

1.ID genus + class
2. What does its name mean?
3. What is its shell made of?
4. How does it feed?

Answers (Click to Show Hidden Text)

1. [i]turritella[/i], Gastropoda
2. Turreted
3. Calcite
4. Filter feeding

[hmmm]

1.ID genus + class
2. What does its name mean?
3. What is its shell made of?
4. How does it feed?

Answers (Click to Show Hidden Text)

1. [i]turritella[/i], Gastropoda
2. Turreted
3. Calcite
4. Filter feeding

Yep, your turn

[wec01]

1. During which period did ancestors of Crocodilia become predominant?
2. Which is more closely related to modern elephants: mammuthus or mammut?
3. Which of the following went extinct during the End-Permian mass extinction: dimetrodon, lystrosaurus, Eurypterida?
4. What suborder of dinosaur did birds descend from?

[reninkidney]

1. During which period did ancestors of Crocodilia become predominant?
2. Which is more closely related to modern elephants: mammuthus or mammut?
3. Which of the following went extinct during the End-Permian mass extinction: dimetrodon, lystrosaurus, Eurypterida?
4. What suborder of dinosaur did birds descend from?

1. Permian...???
2. Mammuthus
3. Eurypterida
4. Saurischia

[wec01]

1. During which period did ancestors of Crocodilia become predominant?
2. Which is more closely related to modern elephants: mammuthus or mammut?
3. Which of the following went extinct during the End-Permian mass extinction: dimetrodon, lystrosaurus, Eurypterida?
4. What suborder of dinosaur did birds descend from?

1. Permian...???
2. Mammuthus
3. Eurypterida
4. Saurischia

Number 2 and 3 are good, for number 1, Triassic, and for number 4, to be more specific, Theropoda. Your turn

[reninkidney]

Yay!

What are some differences between Ornithischian and Saurischian dinosaurs?

[wec01]

Yay!

What are some differences between Ornithischian and Saurischian dinosaurs?

1. Ornithischians have a backwards facing pubis while Saurischians have one facing forward
2. Birds descended from Saurischians while Ornithischians have no descendants
3. Ornithischians were typically herbivorous while Saurischians tended to be carnivorous

[reninkidney]

Yay!

What are some differences between Ornithischian and Saurischian dinosaurs?

1. Ornithischians have a backwards facing pubis while Saurischians have one facing forward
2. Birds descended from Saurischians while Ornithischians have no descendants
3. Ornithischians were typically herbivorous while Saurischians tended to be carnivorous

All right. Your turn!

[wec01]

What are two ways increasing CO2 levels in the atmosphere can harm corals?