Home Assignment - Skull practical

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

Home assignment: Skull practical

Click on the following slides and follow the directions.

Skull stories...website

The next slide is a website. Please click on the website and read it. When you are finished...complete the slides following the website link.

https:

What kind of stories (yes...more than 1) can a skull tell?

What species are we most closely related to?

When did a skull arise in the fossil record?

1. 200
2. 250
3. 500
4. 750

Which feature of a skull can tell us about the role in the ecosystem that that creature plays?

Describe the location of a predator's eyes and how this makes this creature a good predator.

And prey animals? Where are their eye sockets located and why?

Describe the teeth of a carnivore.

Why do crocodiles have to eat their prey in big bites?

What kind of teeth are highly adapted in carnivores to act like scissors?

1. canines
2. molars
3. premolars
4. incisors

How did researchers detemine that seal meat was a new item on the menu for coyotes?

Video - Comparative Physiology, Carnivore vs Herbivore Teeth

On the next slide you will watch a video of an australian girl explain the difference between carnivore and herbivore teeth. You will have to listen carefully...and answer the questions as they arise during the video. Good luck!

00:49

What are the most important teeth for carnivores.

01:41

What are the softest parts of the prey of the sabertooth tiger?

02:10

What brought about the extinction of the sabertooth cat species?

02:33

Which direction do herbivore jaws and molars move and why?

03:00

What type of teeth do horses have?

03:50

What features did Eohyphus have that is similar to the modern day horse?

And last but not least...let's not forget about the omnivore. 

Read the following website and answer the questions. And don't forget to check out all of the pictures. The National Geographic are known for their amazing photography.

https:

Name 10 species of omnivores

What kind of biological adaptations do herbivores have that make them so successful?

Why are omnivores better adapted to new environments?

Great job! You are done. See you in class next lesson!