Question

@eyust707 Without ________, natural selection would not take place.

cloning

asexual reproduction

abundant food

competition

Answer 1

Without \(\large \underline {competition}\), natural selection would not take place.

Answer 2

i think the competition itself is a selection. If the question asks for the trigger of the selection, it'd be probably the enviromental changes

Answer 3

External pressures are the main cause of natural selection.