Living Things
Iñaki Fernández
Created on August 2, 2019
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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 grow
- Are made up of cells
- Have an internal organization
- Are 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 call
Unicellular 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 shape
- Membrane (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 shape
- Membrane
- Cytoplasm, which contains organelles
- Just one large vacuole
- Nucleus
- Hard cell wall, to protect the cell
- Chloroplasts, 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
PLANT KINGDOM
- They are multicellular organisms.
- They use sunlight to carry out photosynthesis.
- They make their own food.
- They can't move.
FUNGI KINGDOM
- They 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.
ANIMAL KINGDOM
- They are multicellular organisms.
- They eat other living things.
- They can move.
- They have a nervous system and sense organs
PROTIST KINGDOM
- Most 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.
MONERA KINGDOM
- They are unicellular or multicellular.
- Bacteria belong to this kingdom.
- We can find them anywhere.
THE END