Characteristics of Life
Made up of small units?
Cells
Group of tissues working together
organ
Who investigated cork through experimenting with the compound microscope and came up with name cells?
Robert Hooke
example of cells
red blood cell, skin cells
All living things _______ and ________ during at least part of their life.
grow and develop
Group of organ systems working together
Organism
Plants and animals made up of cells.
What are some examples of organs?
heart, lungs, kidneys, and brain
What is the process of keeping the internal environment stable/balance/constant?
Homeostasis
Group of organs working together
organ system
What are the names of the 5 scientists that contributor to the cell theory?
1. Robert Hooke
2. Anton Van Leewenhoek
3. Matthias Schleiden.
4. Theodor Schwann
5. Rudolf Virchow
Is heart a organ system?
True or False
false
The process by which organisms keep their internal conditions relatively stable?
Homeostasis
Group of cells working together
tissue
Which scientists discovered that all plants were made of cells?
Matthias Schleiden
What is unicellular ?
Means one cell
The combination of chemical reactions through which an organisms builds up or break down materials as it carries out its Life processes
Metabolism
Basic unit of structure and function in living things
cells
What are three major parts of the cell theory?
1. All organisms are made of cells
2. All existing cells are produced by other living cells.
3. The cell is the unit of life.
What is multicellular?
many cells