Life

What is it called when there is one male and lots of females that he might be able to mate with?

What is it called when there is one male and lots of females that he might be able to mate with?

Polygynandry is another way to describe a multi-male and multi-female polygamous mating system. When females have multiple mating partners, it is known as polyandry, and when males have multiple mating partners, it is known as polygyny; and each sex has their benefits in being promiscuous.

When the environment favors extreme types in a population at the expense of intermediate forms this is an example of which category of natural selection?

READ ALSO:   What does a conservative forecast mean?

disruptive selection
Another type of natural selection is disruptive selection. Here, the environment favors extreme types in a population at the expense of intermediate forms, thereby splitting the population into two or more subpopulations.

What is the difference between Intrasexual and intersexual selection?

There are two types of sexual selection, intersexual and intrasexual. In intersexual selection, one sex, typically the males, will display a certain trait or behavior with the goal of attracting and mating with the opposite sex. Intrasexual selection, on the other hand, occurs between members of the same sex.

What is an example of natural selection in evolution?

Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, treefrogs are sometimes eaten by snakes and birds. This explains the distribution of Gray and Green Treefrogs.

Which type of selection favors genetically related organisms?

Natural selection is a process that favors heritable traits that increase the survival chances of an organism, allowing the organism to reproduce more!

READ ALSO:   Who was the Ken doll modeled after?

When an environment favors phenotypes on both extremes of a spectrum what type of selection occurs?

Disruptive selection favors both extreme phenotypes, different from one extreme in directional selection.

What is the difference between intrasexual selection male choice and intersexual selection female choice )?

The key difference between intrasexual and intersexual selection is that intrasexual selection refers to sexual selection within the members of the same sex to access mates while intersexual selection refers to sexual selection which occurs between two sexes when members of one sex choose the members of the opposite …

What is the difference between intrasexual selection and intersexual selection give an example of each type of selection quizlet?

Intersexual selection refers to sexual selection for increased attractiveness to members of the opposite sex. Intrasexual selection tends to lead to weaponry, armor, fighting ability, and threat displays. Examples include large body size in iguanas, infanticide in lions, antlers in deer, and so on.

READ ALSO:   How long should your commute cycle be?

What is an example of natural selection in humans?

One example of recent natural selection in humans involves the ability to tolerate the sugar, lactose, in milk. In most parts of the world, adults are unable to drink milk because their body switches off the intestinal production of lactase, an enzyme that digests the sugar in the milk, after weaning.

Which of the following is an example of physical adaptation traits by natural selection?

Natural selection is the process that explains this survival and shows how species can change over time. For example, certain traits or adaptations involving color, camouflage, food gathering (beaks and claws) and other physical traits, sensory abilities, or behaviors enhance the survival of a species.