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Chapter 1 Review

Terms in this set (13)

Relate the relevance of biology to a person's daily life
Biology, the study of life, directly applies to your health, life, and future in ways as simple as daily food choices.
Describe the importance of biology in human society
By studying biology you can make informed decisions on issues that impact you and our society. Newspapers, television, and the internet contain issues that relate to biology.
List the characteristics of living things
Organization and cells, homeostasis, metabolism, growth and development, reproduction, change through time.
Summarize the heirarchy of organization within complex multicellular organisms
Every living organism has a level of organization. The different levels of organization for a complex multicellular organism.
What are the different functions of homeostasis and metabolism in living organisms
Homeostasis is the maintenance of a stable level of internal conditions even though environmental conditions are constantly changing. Metabolism is the sum of all the chemical reactions that take in and transform energy and materials from the environment.
How does the growth among living and nonliving things differ
All living things grow and increase in size. Some nonliving things such as crystals or icicles, grow by accumulating more of the same material of which they are made. In contrast, the growth of living things results from the division and enlargement of cells.
Why is reproduction an important characteristic of life
Reproduction is essential for the continuation of a species.
Name three unifying themes found in biology
Diversity and unity of life, interdependence of organisms, and evolution of life.
How is the unity and diversity in the living world represented
Scientists think that all living things have descended with modification from a single common ancestor. Thus, all of life is connected. Yet, there are many different lineages representing different species. This diversity stems from the fact that genetic changes accumulate over the years. Also, organisms change as they become suited to their own special environment.
Identify the three domains and the kingdoms found in them.
Bacteri, Archaea, Eukarya. Kingdoms Animalia, Planae, Fungi, and Protista are in the Eukarya domain. Kingdom Archaea is located within domain Archaea. Kingdom Bacteria is in the domain Bacteria.
What two principles make the scientific method a unique process
The first principle is that events in the natural world have natural causes. The second is uniformity (the idea that the fundamental laws of nature operate the same way at all places and at all times.
Define the roles of observations and hypotheses in science
An observation is the act of perceiving a natural occurence that causes someone to pose a question. A hypothesis is a proposed explanation for the way a particular aspect of the natural world functions.
Summarize the parts of a controlled experiment
A controlled experiment compares an experimental group and a control group and only has one variable.
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