Foresters had long assumed that salvage logging benefitted the environment by reducing fire risk and helping conifer seedlings regenerate. In order to determine if this was true, Donato's team treated it as a hypothesis and tested it.
Using the following options to complete the following:

higher, lower, dependant, independent

Hypothesis:
Salvage logging helps conifer seedlings regenerate and reduces fire risk.
Predictions:
If a site is logged after a fire, then conifer regeneration should be at that site than at a site that was not logged.
If a site is logged after a fire, then the density of woody fuels should be at that site than at a site that was not logged.
Test:
Donato and his team studied two types of plots: some that were burned but not logged and some that were burned and logged. Logged vs. not-logged represents the variable in this study. In each plot, Donato's team measured conifer regeneration, a(n) variable, and the density of woody fuels, a(n) variable .

explanation:

most inclusive taxonomic category, larger than a kingdom. largest taxonomic group, consisting of closely related phyla. group of closely related species, first part of the scientific name in binomial nomenclature. group of similar organisms that breed and produce fertile offspring.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.

the planets have a circular orbit around the sun.