During the drought of 1977 on the island of Daphne Major, which of the following answers correctly explains why birds with larger beaks had a competitive advantage over other individuals? These birds were able to hold more water. These birds were able to fight off birds with smaller beaks more successfully. These birds were able to smell and locate nesting sites with more accuracy. Birds with larger beaks were better able to utilize the large seeds

In spadefoot toads there are two forms of the tadpoles: omnivores and carnivores.  Environmental factors such as population density, oxygen concentration, and availability of food determine which form any particular tadpole takes.  Consider the situation below. A single pair of toads produces a fertilized group of eggs in a pond.  The pond dries a bit creating two separate ponds, one is deep and the other is shallow.  All the tadpoles in the deep pond become omnivores and all the tadpoles in the deep pond become carnivores.  There is a heavy rain and the ponds become connected again and the two groups of tadpoles mix together.  The carnivores eat most of the omnivores and more of the carnivores become adult toads This is an example of Group of answer choices A. natural selection and evolution B. evolution only C. natural selection only

I’m not sure how to approach this problem can you explain how to get the answer?

In the ant/acacia example discussed in class, what would be a likely consequence for the acacia tree if the ants were removed from the trees? Group of answer choices decrease in other insects on the trees increase in herbivory on the acacia leaves attacks by angry anteaters decreased competition from other plants