Cladograms

Cladogram By: Alexi Kouprianov

Because of the Earth's long history, and that all living organisms are related, there was a need for a way to sort all or a section of the living species on earth showing how they are related. That's where the cladogram comes in, it's a way the biologists use to sort various species based on all of the traits that they have in common. The farther up a cladogram a species is, the more specific traits it has. If a fish is at the bottom of a cladogram, and a bird is a the top, that means they are not closely related and the bird has more specific traits than the fish.

SP2: Developing and using models
During class we were given a sheet of paper that had 5 different animals on it, we sorted the various traits that each organism had onto a table, we then used a venn diagrams to further sort what traits each organism shared. After that we organized the organisms into a cladogram based off of what traits the each organism shared.

XCC:
When looking at a cladogram, there are multiple patterns that you can see, the farther up the cladogram an animal is, the more traits it has. The lowe an organism is on a cladogram, the less specific traits the organism has in comparison to the other organisms on the cladogram. Depending on what is on the cladogram different organisms might be higher or lower on the cladogram.