Two experiments were mentioned in the talk: one that tested food preference in caterpillars, and another that tested for egg-laying preferences in adult butterflies. What were the results of those two experiments, and what did those results imply?

answer: dinosaur

explanation

their extinction was caused by massive asteroid that fell on earth

the question isn't complete here so i can't right an answer '_'

you know they are heterozygous for a trait because they have it as jj or jj.

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.