Why are earth magnets so strong?

List two modern organisms that have pentameral symmetry

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

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above