Answer:
The insecticide must have contain strong, active chemicals that are poisonous and harmful to owls which resulted in their demise while on the other hand, grass hopper or mice may be resistant/ or tolerant to that chemicals that's why it don't have effect on them.
Explanation:
1. is the sun
2. is is waters the plants and help things grow
The human heart has only 4 chambers. Left and right atria and left and right ventricles.
Changes in the dna are called mutations. They can occur spontaneously. Mutations can only be passed down in gametes--sperm and egg cells. with Darwins theory at mind a mutation needs to pass the test of natural selection to remain in the gene pool. So purposly making mutation or altercations may end in diseases/illnesses or in some cases death because they body can not take it.....hope this helps if it doesnt im sorry!
