Author: Anonymous

Biologists have suggested several possible explanations for male ornaments used in inter-sexual selection. Which of the following hypotheses involves direct benefits to the female?

Where females are clustered in a space, what type of mating system is likely to result?

When one sex invests considerably less than the other sex in terms of reproductive investment or effort, what is invariably true?

Physical/morphological differences between males and females within a species are referred to as:

What is true about flowers?

The argument that mutations can accumulate in asexual populations but can be more effectively removed in sexual populations is known as

Which of the following is NOT likely to be associated with vicariance allopatry?

In human societies in which monogamy is the norm, males that are able to establish polygynous arrangements are predictably more  

In a Punnett square, which of the following is true about the column and row title headings?

Species in which sperm from the same male join together in the female reproductive tract and swim as an aggregation tend to be which kind of species?