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Transcript

LIVING THINGS

5th Grade

2. The Cell

INDEX

1. Characteristics of Living Things

3. Organization of Living Things

4. Classification of Living Things

5. Quiz

CHARACTERISTICS OF LIVING THINGS

LIVING THINGS CARRY OUT THE THREE VITAL FUNCTIONS

INTERACTION

NUTRITION

REPRODUCTION

INTERACTION: to respond to stimuli from the environment and from inside our body.

NUTRITION: to extract nutrients from food to obtain energy.

REPRODUCTION: to produce offspring similar to ourselves

ALSO LIVING THINGS...

Can growAre made up of cellsHave an internal organizationAre classified into kingdoms

THE CELL

Living things are made up of cells. A cell is the smallest living structure on Earth. Cells are living things because they carry out the three vital functions (nutrition, interaction and reproduction)

UNICELLULAR ORGANISMS

Some living things are made up of just one cell; we call them unicellular (Eg.: some bacteria and algae). The organelles inside the cell are in charge of carrying out the three vital functions.

MULTICELLULAR ORGANISMS

Some living things are made up of several cells of different types; we callUnicellular Vs. Multicellular them multicellular. (Eg.: animals, plants, most of fungi…). In these living thing, cells are specialized in different functions.

WHAT IS A CELL?

Irregular shapeMembrane (to protect the cell)Cytoplasm (which contains organelles)Several small vacuoles (to store water)Nucleus (to control the cell and store de genetic information).

ANIMAL VERSUS PLANT CELL

Animal cell

Plant cell

Regular shapeMembraneCytoplasm, which contains organellesJust one large vacuoleNucleusHard cell wall, to protect the cellChloroplasts, to carry out photosynthesis

ANIMAL VERSUS PLANT CELL

Animal cell

Plant cell

ORGANIZATION OF LIVING THINGS

An organism is made up of millions of cells, which organize themselves according to the function that they carry out inside an organism.

CLASSIFICATION OF LIVING THINGS

Living things can be classified into five kingdoms

ANIMAL KINGDOMThey are multicellular organisms.They eat other living things.They can move.They have a nervous system and sense organs

PLANT KINGDOMThey are multicellular organisms.They use sunlight to carry out photosynthesis.They make their own food.They can't move.

FUNGI KINGDOMThey can be unicellular or multicellular.They don't make their own food; they have to feed off the remains of dead animals or plants.Mushrooms and yeasts belong to this group.

MONERA KINGDOMThey are unicellular or multicellular.Bacteria belong to this kingdom.We can find them anywhere.

PROTIST KINGDOMMost of them live in the water.They can be unicellular or multicellular.Protozoans and algae belong to this kingdom.Algae can make their own food through photosynthesis.

THE END