Classifying Organisms What are the different groups of organisms?

Organisms What do fish, flowers and fruits have in common? They are all organisms, or living things. Organisms are made up of smaller parts that work together to carry out the processes of life. Different organisms have a different number of cells. Unicellular organisms are made up of one cell. (very small) Multicellular organisms are made up of many cells. Most living things you see everyday are multicellular organisms.

Organisms can be placed into 5 groups Living Things Animals Fungi Protists Plants Bacteria

Unicellular vs. Multicellular Organisms Group Unicellular Multicellular Plants ✔ Animals Fungi Protists Bacteria

Plants (trees, flowers, etc.) Plants are a group of organisms that are multicellular. All plants use a process called photosynthesis to make their own food.

Animals (birds, snails, etc.) Animals are a group of organisms that are multicellular. There are two types of animals: vertebrates and invertebrates.

Fungi (mushrooms, yeast, etc.) Fungi are a group of organisms that can be unicellular or multicellular. Fungi get their food from the environment from dead or decaying matter. They can not make their own food through photosynthesis.

Protists Protists are a group of organisms that can be unicellular or multicellular. Protists are usually found in, or near water. Some protists use photosynthesis to make their food while others get food from the environment. A volvox is one example of a protist.

Bacteria Bacteria are a group of organisms that are unicellular. Some bacteria live in groups called bacterial colonies Bacteria do not have a nucleus. Escherichia coli (E.coli), is one example of a bacterium.