Answer:
Explanation:
"Animals, plants, and fungi often have many different organs whose different functions are integrated, enabling multicellular organisms to maintain themselves, grow, and reproduce. Two or more tissues that work together to get a job done form an organ. A group of organs that works together to perform a certain job is an organ system. Organ systems found in plants, animals, and other multicellular organisms allow these organisms to function more efficiently."
<span>red blood cells are circular cells that transport oxygen throughout the body. white blood cells are part of the immune system and fight infection and foriegn objects that enter the body. plasma is the liquid part of blood, and platelets are the part of the blood that cause clotting.</span>
These fossils are very useful for us because we can use them to date the layers of rock that they are found in. Fossils that can be used in this way are called index fossils, and rock layers with the same index fossils in them can be correlated. Not my answer, link here for full
http://peter-mulroy.squarespace.com/correlating-rock-layers/
I think it is A . eubacteria
It can help show what people believe or understand about the natural world.
