Explain why fertilizer use by farmers can have negative effects on aquatic ecosystems?

How are tumors cells different from normal cells

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.