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Biology

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Stefanie Raynor

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Cards in this guide (17)
What type of reasoning was used in the development of evolutionary theory

Inductive reasoning was used in the development of evolutionary theory.

What term describes an educated guess about what the answer to a question might be

hypothesis
A hypothesis.

What is the only thing that should differ between experimental treatments

independent variable

What is a statement of no difference in experimental treatments

null hypothesis ^^^^right answer for A ls

What serves as a standard of comparison to evaluate the effect of the independent variable on the dependent variable

There cannot be one since the answer depends on the form in which the effect is measured: whether the effect is qualitative or quantitative.

There are various non-parametric measures of correlation or concordance. For data that are more quantitative there are more powerful tests such as the F-test for independent Normal distributions.

The custom of watching fireworks on the Fourth of July would be studied by this social science

a- Anthropology

A jogger runs at an average speed of 5 ms for 3 minutes then finishes with an average speed of 4 ms for 2 minutes What is his average speed in ms for the run

4.6ms

Which of these rates is slowest 1760 yardsminute 60 mihr or 88 ftsec

When you convert it, you will find out that they're all the same.

The tangent of an angle equals the ratio of the

Sine of the angle to its cosine.

Look at the pie graph pictured How many students ate in the cafeteria

125

What term can be used to describe natural selection

That would be "Evolution".

What type of measurement is this 12 feet up scalar or vector

A scalar has distance but no direction.

A vector has distance and direction.

"12 feet up" has distance (12 feet) and direction (up), so is a vector.

Which type of internet site is least acceptable as a source of accurate and unbiased scientific info

An internet site that is run by ignorant and deluded people would be the least acceptable source of accurate and unbiased scientific information; an example would be any site operated by the Church of Scientology.

Why must web pages created by organizations (.orgs) be carefully evaluated as sources of scientific information

they may be biased

Why must controls (such as plants given water only) be used in the fertilizer experiment

Why must controls (such as plants given water only) be used in the fertilizer experiment

What of these is always part of using the scientific method

A question about an observation

The virus that causes chicken pox contains DNA. It reproduces inside the cells of living organisms. The virus is not made of cells and does not eat or breathe. Why isn’t the virus considered to be a living thing

it is not made of cells (A+)

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