The Importance of Dimorphism and Threshold Traits Regardless of the species or type of dimorphism in question, it is clear that numerous traits are influenced by multiple genes. Many ...

Characidium dumonti lives among the rocks and pebbles at the bottom of the fast-flowing streams in the national park, ...

Wetlands, forests, marshes, and coastal regions are excellent places for bird photography. These environments offer rich ...

Both elephant species exhibit sexual dimorphism, though, where males are larger than females, with wider-set tusks, more rounded foreheads and less curvature in their spines. HABITAT: Savannah ...

Strong sexual selection typically results in sexually dimorphic traits that are exaggerated, or more elaborate, in the sex with highest reproductive variance (Figure 1). Most species provide ...

Many sexually dimorphic traits arise through sex-specific ... males are more than 250% heavier than females. In contrast, species such as the natal long-fingered bat (Miniopterus natalensis ...

This story appears in the January 2017 issue of National Geographic magazine. The difference in appearance between a species’ males and females is called sexual dimorphism. The term implies that ...

[b] Several species exhibit sexual dimorphism. They have streamlined bodies and four limbs that are modified into flippers.

The species is sexually dimorphic, meaning there are visual differences between males and females, including the darker bars on female fish as well as male fish’s abdomen turning light red ...

Binding of miR-3036-5p to CYP18A1 can be prevented by an A-to-I RNA editing, thus elevating CYP18A1 expression, decreasing 20E titer, and finally regulating the wing dimorphism of offspring in aphid.

But figuring out exactly how many species have been found so far is a bit tricky. Like modern cephalopods, ammonites displayed sexual dimorphism, which is the noticeable difference in appearance ...