DDT has also been identified as a cancer-causing chemical. In light of these findings, which is the healthier food choice in this case, fish or squid? Explain your answer with reference to the food web above.
* i included the food web in the picture

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

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