Polygamy is a mating system involving breeding groups of more than two individuals. Which of the following is the most frequent among human societies?
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In some organisms, observations indicate that females that a…
In some organisms, observations indicate that females that are experimentally widowed experience a decline in their reproductive success. This is support for which hypothesis explaining monogamy?
In a lekking species, which is the most likely pattern?
In a lekking species, which is the most likely pattern?
Biologists have suggested several possible explanations for…
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…
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…
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…
Physical/morphological differences between males and females within a species are referred to as:
What is true about flowers?
What is true about flowers?
Which of the following is NOT likely to be associated with v…
Which of the following is NOT likely to be associated with vicariance allopatry?
The argument that mutations can accumulate in asexual popula…
The argument that mutations can accumulate in asexual populations but can be more effectively removed in sexual populations is known as