What happens when the heart muscles are damaged due to lack of blood supply?
a. choking
b. heart attack
c. slurred speech
d. stroke

What does gradualism and punctuated equilibrium have in common

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

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior