Domains and kingdoms

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x Domains and Kingdoms

Three Domains

Eukarya

Eukaryotes

-Have nucleus -Membrane-bound organelles

Kingdom Animalia

animals depends on the organisms from other kingdoms

Depends on Bacteria & Fungi

To recycle the nutrients found in dead organisms

depends on Plants

For food

have specialized sense organs

Help most animals to respond quickly to their environment

usually able to move around

contains Complex. multicellular organisms

Dont have cell walls

Kingdom Plantae

plants provide habitat for other organisms

Most life on earth is dependent on plants

Fungi. Protists, Bacteria consume plants

they digest the plant material and get energy and nutrients made by plants

Food that plants make is important for all organisms that get nutrients from plants

they must expose to sunlight for photosynthesis

have cell walls make food through photosynthesis

Kingdom Fungi

Use digestive juices to break down substances

Absorb nutrients from substances in their surroundings.

Complex mulicellular

unlike animals

They don't eat food

Unlike plants

they don't perform Photosynthesis

Kingdom Protista

single-celled or simple multi-cellular organisms

Protists also include slime molds and euglenoids.

Plant-like called Algae

Animal-like called Protozoans

Bacteria

Found in soil, water, human body

harmful

Pneumonia: Lung infection

Useful

Escherichia coli produce vitamin K in human intestines

Subtopic

Archaea

lives in extremes environment

Prokaryote

single celled that dont have nucleus

Strange organisms -Classifying is not easy -some plants can eat another organisms to obtain nutrients -some protists can use photosynthesis as plants do and can move as animals do -kingdom Animalia includes worms, insects and corals -sponges considered simplest animals they lack sense organs, and most of them cannot move scientist used to classify they as plants, but they cannot do their own food they must eat another organisms to get nutrients, which is one reason that sponges are classified as animals.