1. Introduction to Biology

The area of science that studies life and its processes is called:

All living organisms are ___________:

Anton van Leeuwenhoek made an important contribution to the development of the cell theory. How?

a. He articulated that all organisms are made of cells.

b. He articulated that all cells come from preexisting cells.

c. He invented the first microscope and saw the first cell.

d. He invented more powerful microscopes and was the first to describe the diversity of cells.

Systems biology is mainly an attempt to

a. Analyze genomes from different species.

b. Simplify complex problems by reducing the system into smaller, less complex units.

c. Understand the behavior of entire biological systems by studying interactions among their component parts.

d. Build high-throughput machines for the rapid acquisition of biological data.

What characteristic distinguishes true multicellularity from colonies of cells?