The Graph Below Shows Organisms Found in and Around a Pond

question 10

Multiple Choice

The graph below shows organisms found in and around a pond. Choose the best interpretation of the data.
(Source: http://www.aquatax.ca/skAquaticInsectInfo.html)

• A) Aquatic insects need the most protection when considering the conservation of biodiversity.
• B) The amphibian and reptile populations of the pond are declining.
• C) Aquatic insects are the major component in the biodiversity in this ecosystem.
• D) There are too many birds for the pond to support.
• E) Both a and c

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Definitions:

Bromecresol Purple

A chemical pH indicator that changes color at a pH range of 5.2 to 6.8, used in various laboratory and medical tests.

Adhesion

The tendency of dissimilar particles or surfaces to cling to one another, often causing materials to stick together.

Hydrogen Bonds

Weak bonds between partially positive hydrogen atoms and partially negative elements like oxygen or nitrogen, crucial in biological structures.

pH Scale

A measure of the acidity or basicity of an aqueous solution, ranging from 0 (most acidic) to 14 (most basic) with 7 as neutral.