SOL Qstn Analysis Wk2 Pt2

SOL Qstn Analysis Wk2 Pt2

Multiple Select

An insect called the hemlock wooly adelgid was introduced to a Virginia forest ecosystem. (see below)

This pest feeds on the nutrients stored inside a hemlock tree, resulting in the death of the tree.

Which kind of data would best help a student evaluate the effect of this insect?

• information about the ecosystem 's characteristics before the adelgid infestation

• a list of foreign ecosystems infiltrated by the hemlock wooly adelgid

• an account on how the adelgid was introduced into the Virginia ecosystem

• a comparison of the adelgid with native pest species

• Constant: Water (mL)

Multiple Choice

Which features do viruses have in common with animal cells?

• ability to form proteins at ribosomes

• production of energy by a mitochondrion

• presence of a genetic code in nucleic acid

• existence of lipids in cell membranes

Multiple Choice

What can be concluded from this graph?

• the enzyme is consumed during the course of the reaction

• the reactants have less energy than the products

• the amount of free energy produced in the reaction increases with an enzyme

• the enzyme lowers the energy of activation for the reaction