LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An insect called the hemlock woolly adelgid was introduced to a Virginia forest ecosystem. The pest feeds on the nutrients stored inside a hemlock tree, resulting in the death of the tree. Which kind of data would help a student evaluate the effect of this insect.
A
a comparison of the adelgid with a native species
B
an account of how the adelgid was introduced to Virginia ecosystems
C
a list of foreign ecosystems infiltrated by the hemlock wooly adelgid
D
information about the ecosystems characteristics before the adelgid infestation
Explanation: 

Detailed explanation-1: -Products containing either imidacloprid or dinotefuran as the active ingredient and labeled for treatment of hemlock woolly adelgid are effective in combatting the insect. Imidacloprid moves slowly through trees, taking at least a year to reach the top of a large tree.

Detailed explanation-2: -Hemlocks should be treated with either horticultural oil, insecticidal soap, imidacloprid, or dinotefuran. The specific application method used depends on several factors, including tree vigor and size, soils, accessibility, and proximity to water. Hemlocks are not insect pollinated.

There is 1 question to complete.