Module 1.1 & 1.2

1.1

Biology: the study of living things

Biologist: a person who studies living things.

• there are many different types of biologists and a variety of fields within biology.

• Zoologist: study animals

• Botanist: study plants

• Microbiologist: study the tiny living things

• Biotechnology: develop prosthetics to DNA analysis to fitness trackers.

1.2

The Characteristics of Life

A living things is called organism.

The 8 Characteristics of Life (COL)

1. Made of one or more cells

   -unicellular: one cell

   -multicellular: many cells

2. Displays organization

   -atoms

   -macromolecules

   -organelles

   -cells

   -tissues

   -organs

   -organ systems

   -organism

3. Responds to stimuli

   -reacts to changes in the environment

4. Reproduces

   -produces new organisms

   -asexual: one parent, genetically identical offspring

   -sexual: two parents, genetically unique offspring

5. Grows and develops

   -growth: increasing in size

   -develop: life stage changes or getting new abilities.

6. Maintain homeostasis

   -keeps internal conditions stable.

7. Requires energy

   -energy gained from food

   -autrophs make their own food.

   ex. Photosynthesis

8. Adapts and evolves

   -changes occur overtime in species not individuals.