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Chapter 1

Across
Life is organized in levels called
Differences in DNA structure from individual to individual makes the diversity of
One of Darwin's observations, a population of any species can produce far more offspring than will survive, he called overproduction of
Bringing in energy and transforming it to a form useful for the organism is called energy
Scientists use two main approaches when trying to test and describe science. Their testing and describing is called the scientific
Individuals within a population vary in heritable traits because of individual
Down
Maintaining a stable internal environment is called
Prokaryotic and eukaryotic cells both have DNA and a
Making broad statements from specific observations is called inductive
This is made up of all the organisms living in a particular area, plus non living factors with which they interact.
The fact that certain organisms with certain inherited characteristics are more likely to survive and reproduce than organisms with other characteristics is natural
A waste product of photosynthesis that is then used in respiration.
The cell is considered the basic unit of
Photosynthetic organisms that provide food are called
Scientists agree on categorizing the diversity of life into three