Ap Environmental:Which of the following indoor pollutants cannot be detected by smell and requires technical assistance to detect? A. Aerosols
B. Formaldehyde
C. Radon
D. Tobacco smoke

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.