Studying Life

Question 1

What is Biology?

Answer 1

The study of life

Question 2

What are the 8 characteristics of living things?

Answer 2

Made up of units called cells
Are based on a universal genetic code
Obtain and use materials and energy
Grow and Develop
Reproduce
Respond to their environment
Maintain a stable internal environment
Change over time

Question 3

What is a Unicellular Organism?

Answer 3

Requires a Microscope to see
Does not contain a cell nuclei
Lacks organelles
Dependent upon itself for life

Question 4

What is a Multicellular Organism?

Answer 4

The aggregation of cells
Much more specialized
Membrane Organelles plus a Nuclei
Conduct more complex activity and functions
Animal, Plant and Fungi

Question 5

What is Metabolism?

Answer 5

The combination of chemical reactions where an organisms builds up or breaks down materials

Question 6

What is Photosynthesis?

Answer 6

The use of light energy to make chemical energy in plants

Question 7

What is Sexual Reproduction?

Answer 7

Cells from two parents unite to form the first cell of a new organism

Question 8

What is Asexual Reproduction?

Answer 8

A single organism produces offspring identical to itself

Question 9

What is Homeostasis?

Answer 9

Organisms need to keep their internal environment relatively stable even when external conditions change dramatically

Question 10

What are the Units of Measurement?

Answer 10

Units of Length- Mass
Units of Mass- Grams
Units of Volume- Liters
Units of Temperature- Celsius