Briefly describe the terms cells, nuclei, chromosomes, DNA, and genes by explaining their relationship to each other.
What will be an ideal response?
An organism contains cells, which are the structural building blocks of life. Each cell has a nucleus, which contains chromosomes. Chromosomes are composed of genes which are made up of sequences of DNA. DNA is a unique code that differentiates species and individuals.
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Environmental protection has been proven to ________ the number of available jobs because ________.
A. Stabilize; the use of nonrenewable resources is stabilized, and jobs are scarce anyway B. Stabilize; it limits the use of nonrenewable resources (as in the case of the logging industry) C. Decrease; it limits the use of nonrenewable resources (as in the case of the logging industry) D. Decrease; it negatively affects economic growth E. Increase; labor is usually substituted for natural resources (as in the case of recycling)
The development of the _______ egg made possible the development of reptiles from
amphibians. Fill in the blank(s) with the appropriate word(s).
During the history of the earth there have been periods when all the continents were together in a supercontinent
Indicate whether the statement is true or false
How do economists assess (calculate) the economic health of a nation?
a. gross primary productivity b. net primary productivity c. Gross Domestic Product d. net domestic product