Wetlands are important because they provide filters for pollution and they provide a habitat for many animals.
true or false?
(ik this is earth science)

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

The arrows in the illustration point to

Match each phylum or class to its correct characteristic