Biology Quiz 1 Review

Two original philosophers of science

Plato and Aristotle

Father of science

Aristotle

Scientific Method

A way to answer questions which are raised in science [Vocab word]

Step one of the scientific method

Make an observation (leads to a question) [Step of the scientific method]

Step two of the scientific method

Form a hypothesis [Step of the scientific method]

Inference

Used to create a hypothesis based on background knowledge [Vocab word]

Hypothesis

A testable explanation to the question [Vocab word]

Step three of the scientific method

Create an experiment to test hypothesis [Step of the scientific method]

Controlled Experiment

An experiment where no variable is changed [Vocab word]

Independent variable

The variable that is changed or manipulated [Vocab word]

Dependent variable

The variable that is influenced by the change of the independent variable [Vocab word]

Step four of the scientific method

Analyze data [Step of the scientific method]

Quantitative Data

Data with numbers and/or physical proof [Vocab word]

Qualitative Data

Data in the form of words, not numerical [Vocab word]

Error

A way that the experiment is messed up and therefore makes it invalid [Vocab word]

Step five of the scientific method

Draw conclusions (was the hypothesis supported?) [Step of the scientific method]

1st characteristic of life

Living things grow and develop [Characteristic of life]

2nd characteristic of life

Living things maintain homeostasis [Characteristic of life]

Homeostasis

Maintaining a stable internal environment [Vocab word]

3rd characteristic of life

Living things respond to their environment (stimulus) [Characteristic of life]

Stimulus

Anything that is going to cause a reaction by a living thing in its environment [Vocab word]

4th characteristic of life

Living things undergo a process called metabolism [Characteristic of life]

Metabolism

Chemical processes where your body takes food energy and turns it into usable energy [Vocab word]

5th characteristic of life

Living things reproduce [Characteristic of life]

Asexual reproduction

Reproduction that requires only one parent, exact copy is created (one DNA source) [Vocab word]

Sexual reproduction

Requires a male and female to reproduce (two DNA sources) [Vocab word]

6th characteristic of life

Living things evolve [Characteristic of life]

7th characteristic of life

Living things are made up of cells [Characteristic of life]

Cell

Basic unit of life [Vocab word]

8th characteristic of life

Living things are based on a genetic code called DNA [Characteristic of life]

DNA

A chemical molecule that stores all information for life [Vocab word]

What DNA stands for

Deoxyribonucleic Acid [<-- What this is in acronym form]