When it comes to dogs, explain the differences between the adoption theory and the adaption theory

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet

Why is there more biomass at the producer level that at the consumer levels ? how does this relate to the 10% rule ?

Write a hypothesis regarding mechanical and chemical weathering. will one create stronger results than the other? will they be equal?