The Following Is a List of Biology Themes Discussed in Chapter

question 22

Multiple Choice

The following is a list of biology themes discussed in Chapter 1. Use them to answer the questions below.
I. New properties emerge at each level in the biological hierarchy.
II. Organisms interact with other organisms and the physical environment.
III. Life requires energy transfer and transformation.
IV. Structure and function are correlated at all levels of biological organization.
V. Cells are an organism's basic units of structure and function.
VI. The continuity of life is based on heritable information in the form of DNA.
VII. Feedback mechanisms regulate biological systems.
VIII. Evolution accounts for the unity and diversity of life.
-Which theme(s) is/are best illustrated by a group of investigators who are trying to classify and explain the ecology of the community living within a specific region of prairie grassland?

• A)I only
• B)II only
• C)VIII only
• D)IV and VI
• E)I and II

---

Definitions:

S-strain Bacteria

A strain of bacteria that possesses a smooth capsule made of polysaccharides, making it virulent by protecting it from the host's immune system.

Antiparallel

Said of a double-stranded nucleic acid in which the 5' to 3' direction of the sugar-phosphate backbone of one strand is reversed in the other strand.

Crystallographic Data

Information obtained from crystallography, a method used to determine the atomic and molecular structure of crystals, revealing the arrangement of atoms in the crystalline solid.

Watson

James Watson, an American molecular biologist, geneticist, and zoologist, best known as one of the co-discoverers of the structure of DNA in 1953.