Chapter 1- Mastering Biology

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Which of the following is the fundamental unit of structure and function in living organisms?


What is the appropriate term for an interacting group of individuals of a single type occupying a defined area?


The units of inheritance are called __________.


With evolution as the core theme of biology, we can explain traits shared by organisms as evidence of __________ and traits that differ among organisms as evidence of __________.

Descent from a common ancestor; adaption through natural selection

The three domains of life __________.

Are bacteria, archaea, and eukarya

In the theme of biological organization, the approach called reductionism __________.

Allows us to reduce complex systems to simpler components that are more manageable to study

Using models that represented camouflaged and non-camouflaged mice, Hoekstra and her students tested the hypothesis that coloration of beach and inland mice provides camouflage that protects them from predation.

Regardless of whether the models were placed in the beach or the inland habitat, the camouflaged model always acted as the __________ group.


Some properties and processes that are associated with life include all of the following except _____________.


Natural selection tends to act at which of the following levels?


The process that directs the manufacture of a cell product from a gene is called __________.

Gene expression

Which series of terms is in the correct sequence of biological organization, from the simplest to the most complex?

Cell, tissue, organ, population, community

The two main forms of cells are __________ cells.

Prokaryotic and eukaryotic

How is the information encoded in DNA actually used by organisms?

The information in DNA is transcribed to RNA and then translated into into protien

The information in a gene that directs the production of a cellular product is gene expression. The correct sequence for the transfer of information from a gene to a function protein is __________.

Transcription, translation, and protein folding

Which of the following statements best describes what is meant by "emergence"?

The whole is greater than the sum of the parts

Which of the following is an attribute of living things?

They must be able to evolve and adapt

A hypothesis must be testable and falsifiable to be scientifically valid. Being testable and falsifiable means that __________.

Some conceivable observation r experiment could reveal whether a given hypothesis is incorrect

The energy used by most organisms for metabolism and growth ultimately comes from __________.

The sun

A scientific theory is __________.

A well supported concept that has broad explanatory power

Regulation of molecules within an organism in response to a changing level of chemicals and the ability to self-regulate is called __________.

Feedback regulation

A nonlinear, realistic model of the scientific process is called the process of science. The core activity of this process is __________.

Forming and testing hypotheses

The concept of "descent with modification" was proposed by __________.

Charles Darwin

The fundamental organizing principle of biology and core theme is __________.


Which of the following observations and inferences led Charles Darwin to his theory of natural selection as a mechanism for evolution?

Darwin synthesized his theory of natural selection from all of the listed observations and inferences

The use of energy by living organisms __________.

Involves chemical cycling from light energy from the sun for the production of chemical energy in food to the decomposition and the returning of chemicals to the cycle

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