8 characteristics of life & biologists

Cellular Organization

Living things are made of cells

Reproduction

Capable of either sexual or asesexual

Metabolism

A collection of chemical reactions occurring within the body

Homeostasis

Maintaining a stable internal environment within the body

Heredity

Allowing genetic information to be passed from generation to generation

Response to stimuli

A reaction to internal & external force

Growth and development

Ability to mature and become bigger

Adaptation to environment

Able to change inheritable traids within a population (evolution)

In 1965 who saw the first cell? And what did it look like?

In 1965 Robert Hooke used the word cell to describe the repeated honeycomb structures he saw while looking under a microscope

Who discovered Microorganisms? And what year was it?

1674 Anton Van Leewenhook discovered Living blood cells, bacteria and single celled organisms and called them micro organisms

What year and who discovered the nucleus in plant cells?

Robert Brown the nucleus in 1820

1838 Mathias Schleiden discovered what?

That plant tissues are composed of cells. He was a botanist

1839 Theodor Schwann discovered what?

He discovered that animals are also made of cells. He was a zoologist

Whos work led Rudolph Virchows theory?

Louis Pasteur's work with microorganisms led Rudolph Virchows therory

What did Rudolph Virchow theorize about cells? What year?

In 1858 he theorized that all cells come from pre-existing cells

Yay!!

Yay!!