ADF
10-09-2002, 06:48 AM
If Sheepy and Melissa had a kid, I think it would go a little something like this..
How Multicellular Organisms Affect Humans
By Emily White
<img src = http://warrensburg.k12.mo.us/ew/multicellular/emily.jpeg>
Multicellular Organisms affect us because we rely on them for food and we ourselfs are Multicellular.
Most kingdoms have multicellular representatives. Multicellular organisms are composed of many cells that each do a special job. In each organism the speciliztion of the cells is very important or there would be no advantage to multicellular life. The evolution went from unicellular to colonial to multicellular. The first multicellular organisms were once believed to be flat and have two layers and have a hollow middle and appeared in the seas.
Out of twenty-three monophylic protist groups, seventeen are multicellular or have multicellular represenitives. Colonial protists are multicellular. Some members of the protist kingdom are multicellular, some are not. The Giant Seaweed in the oceans are multicellular organisms and they are the largest living organisms, even taller than the Giant Redwoods in Western North America.
All plants and animals are multicellular, also some fungi are multicellular. The multicellular plants began to form about 430 million years ago. Now there are over 266,000 known species all over the world.
There are different levels of organization in living things. The cells are divided in the work process. Each individual cell does its own work to the extent of its ability. After that, there are the tissues. Tissues are thousands of cells that function in the same capacity. After that there are organs which are tissues that perform the same, or close to the same, job. After that there are organ systems. They are made up of different organs that work together to keep the organism alive.
Most humans have about 7 trillion cells in their body at one time.
Some people still ask the questions "How we got multicellular organisms?" and "Why?". We really don't know the answers for sure and maybe we will never know, but we will always have the knowledge that they are here even if we don't know why and how.
<img src=http://thereisnogod.faithweb.com/images/adf11.gif>
Ho! Ho! Ho! Merry Xmas!
How Multicellular Organisms Affect Humans
By Emily White
<img src = http://warrensburg.k12.mo.us/ew/multicellular/emily.jpeg>
Multicellular Organisms affect us because we rely on them for food and we ourselfs are Multicellular.
Most kingdoms have multicellular representatives. Multicellular organisms are composed of many cells that each do a special job. In each organism the speciliztion of the cells is very important or there would be no advantage to multicellular life. The evolution went from unicellular to colonial to multicellular. The first multicellular organisms were once believed to be flat and have two layers and have a hollow middle and appeared in the seas.
Out of twenty-three monophylic protist groups, seventeen are multicellular or have multicellular represenitives. Colonial protists are multicellular. Some members of the protist kingdom are multicellular, some are not. The Giant Seaweed in the oceans are multicellular organisms and they are the largest living organisms, even taller than the Giant Redwoods in Western North America.
All plants and animals are multicellular, also some fungi are multicellular. The multicellular plants began to form about 430 million years ago. Now there are over 266,000 known species all over the world.
There are different levels of organization in living things. The cells are divided in the work process. Each individual cell does its own work to the extent of its ability. After that, there are the tissues. Tissues are thousands of cells that function in the same capacity. After that there are organs which are tissues that perform the same, or close to the same, job. After that there are organ systems. They are made up of different organs that work together to keep the organism alive.
Most humans have about 7 trillion cells in their body at one time.
Some people still ask the questions "How we got multicellular organisms?" and "Why?". We really don't know the answers for sure and maybe we will never know, but we will always have the knowledge that they are here even if we don't know why and how.
<img src=http://thereisnogod.faithweb.com/images/adf11.gif>
Ho! Ho! Ho! Merry Xmas!