Thinking about biological magnification of toxins, is it healthier to feedat a lower or higher trophic level? Explain

.  How does the law of tolerance affect where populations of organisms live?         Organisms are not affected by the law of tolerance.         Organisms tolerate the water conditions but cannot tolerate other abiotic factors.         Organisms only live where they can tolerate the conditions.         Organisms live where they can tolerate the other organisms.

Choose the type of symbiotic relationships with their correct definitions. The 4 options are: mutualism, commensalism, parasitism or none of the above. Please explain in details why each option was selected.Definitions: One species kept alive to benefit the other species  Both species benefit from forming a symbiotic relationship   Neither of the species benefit from forming a symbiotic relationship   While one species increases its survivability, the other species neither benefits nor suffers from the symbiotic relationship  One species benefits greatly while the other species dies

The main source of food in muddy-bottom intertidal communities is plankton True False

High lignin content in leaf litter is associated with lower palatability among most decomposers. True False

Draw out the Nitrogen cycle; label nitrogen fixation, decomposers, ammonium, nitrates, uptake by plants, nitrogen in the atmosphere, detritus.

How has the invasion of zebra mussels in the Hudson River affected 1 biotic or abiotic factor in the river ecosystem?

Why is cannibalism aninharmonious intraspecificecological interaction?

Pls help ASAP on both PLS I BEG

Established microflora are also called O Transients Residents