Chapter 1 Unit Quiz

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The smallest, most basic unit of life is a(n)

Cell

Which of the following can be categorized as prokaryotic?

Domain Archaea

All the chemical reactions that occur in a cell are collectively called

Metabolism

Which of the following statements inaccurately describes biodiversity?

So far, approximately 6 million species have been identified and named.

The purpose of a control group in an experiment is

For comparison to the other test groups.

Is the following statement true or false? The only single-celled organisms are prokaryotes, such as Archaean's and bacteria.

False, because some eukaryotes, including Protista, are single-celled.

Based on the evolutionary tree f the three domains, which of the following statements is true?

All three domains have a common ancestor.

Male amphibians, including frogs and toads, have been plagued by feminization, deformity, behavioral abnormalities, and sterility. Biologists from the University of Florida investigated whether reproductive problems among populations of cane toads (Bufo marinus) are caused by poisons from chemicals associated with agriculture. The biologists collected local adult cane toads from more than 20 different locations. Toads were collected from areas close to agriculture, both large-scale and small-scale farms, as well as from suburbs that are nonagricultural areas. Data collected by the biologists suggested a strong correlation between feminization of male toads and agricultural chemicals. Is it accurate to state that the scientists had supported their theory that agricultural chemicals cause deformities?

No, the scientists were testing a hypothesis which is not the same things as a theory.

Which answer choice lists the steps of the scientific method in the correct order?

Observation, hypothesis, predication, experiment, conclusion

As autumn approaches, white-tailed deer begin to accumulate a layer of body fat. This is an example of which characteristic of life?

Response to the environment


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