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Forum 2.6 - Centers of Origin

10/4/2018

14 Comments

 
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Central Question:What do different evolutionary paths look like and how can we map them?

Guiding Thought Question: Explain one of the things that will complicate determining a specie's Center of Origin. 
     Center of Origins: 
Geographic location from which a             certain species expanded from. 

Today's Learning Objective: Students will work through a mapping activity to learn about the diffusion of animals and how to trace their evolutionary paths from a common center.   
14 Comments
Taryn
10/12/2020 08:55:32 am

If they traveled and died somewhere further from their habitat.

Reply
Lauren
10/12/2020 08:56:11 am

It can be difficult to tell where an animal originated because there could be a lack of fossils that date back far enough.

Reply
Grace
10/12/2020 08:58:26 am

When a species shows up in an area that there are no other species like it for it to adapt from or if there are no other species except for the one individual

Reply
Donovan Smith
10/12/2020 08:58:54 am

one factor that could complicate determining the center of origin of a species would be different forms of vicariance. with animals being all over the world and adapting to wildly different environments it can be hard to trace.

Reply
Reegan S.
10/15/2020 12:15:51 pm

If they have traveled far away, it can cause trouble in identifying where the animal originated from

Reply
Annie Feden
10/15/2020 12:18:39 pm

The animals could be migratory and spread out or there could be little fossil evidence to support the center of origin.

Reply
Emily Fleener
10/15/2020 12:19:03 pm

It will turn complicated if the species moves away or dies.

Reply
Saxon
10/15/2020 12:22:05 pm

One thing that could complicate finding the Center of Origin could be the change of land over time. Ex. Certain land bridges an animal may have traveled on might not be there anymore.

Reply
Will Alexander
10/15/2020 12:24:23 pm

Animals could’ve spread out across the whole globe and fossils don’t go back far enough so it’s hard to tell where they originated.

Reply
Emily Tran
10/15/2020 12:25:14 pm

One thing that would complicate the center of origin is if the center of origin is no longer accessible (underwater, eroded,...)

Reply
Sam Danish
10/15/2020 12:29:26 pm

the land the species is from could have been not good for preserving fossils, making evidence hard to find

Reply
Laura Nelsen
10/15/2020 12:29:26 pm

It might be difficult to find a specie's center origin because the resource that they might have used might have changed so they would have to adapt and move away from the center.

Reply
Aidan Anderson
10/15/2020 12:33:05 pm

The area that the animals are native to could have changed so much. That we could not find the fossils. (Like underwater)

Reply
Alondra Ortiz-Santos
10/15/2020 12:36:33 pm

It can be more difficult if there is little to no fossil evidence

Reply



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    Welcome to the Forum! Here is where you will be answering your daily warm-up questions. Please do not enter your last name for privacy reasons, and you may use a nickname if you would like (Just make sure Mr. Tredinnick is aware of the nickname you are using). Write out thoughtful responses to the forums on the days they are assigned. If you miss a day please take it upon yourself to complete the Forum you missed. Each Forum has the targeted Learning Objective(s) there so you can see what the focus of the day's class will be.

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