Which is not a density dependent factor limiting population growth

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Look at the photo of the leaf. which term best describes this leaf?

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