What Is a Molecule

question 9

Multiple Choice

What is a molecule?

• A)a group of atoms that are held together by covalent bonds
• B)a group of atoms that are held together by ionic bonds
• C)pair of atoms sharing a set of valence electrons
• D)pair of shared valence electrons
• E)group of covalent compounds held together by ionic bonds

Recognize factors affecting biodiversity and species populations.

Understand the concept of keystone, indicator, native, and non-native species and their impacts.

Know the relationship between habitat characteristics and species diversity.

Describe the interactions between species, including competition, predation, and symbiotic relationships.

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Definitions:

Sample Size

The number of observations or data points collected in a sample.

Variable

An element, feature, or factor that is liable to vary or change.

Confidence Interval

A gamut of values, arising from sample statistic evaluation, with a high likelihood of encompassing the value of a mysterious population parameter.

Sample Size

The number of observations or cases used in a study or experiment, which can impact the reliability and validity of statistical results.