Many different factors can cause low crop yield. which factor listed is a biotic factor? a) drought b) hailstorms c) poor soil quality d) insect infestation

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science