Which is an example of convergent evolution?

An example of convergent evolution is the similar nature of the flight/wings of insects, birds, pterosaurs, and bats. All four serve the same function and are similar in structure, but each evolved independently. Some aspects of the lens of eyes also evolved independently in various animals.

What is the difference between divergent and convergent speciation?

Speciation is a result of divergent evolution and occurs when one species diverges into multiple descendant species. Convergent evolution occurs when species have different ancestral origins but have developed similar features.

Are Darwin’s finches convergent evolution?

Darwin’s finches are a clear and famous example of divergent evolution, in which an ancestral species radiates into a number of descendant species with both similar and different traits.

What’s an example of convergent evolution?

Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated.

Which of these is an example of convergent evolution?

How does convergent evolution occur?

Convergent evolution is a process in biology. It occurs when two species from unrelated lines develop the same traits or features. This happens because they live in similar habitats, and have to develop solutions to the same kind of problems. Both species might have acquired the trait by descent from a common ancestor.

What is an example of coevolution?

In the context of evolutionary biology, coevolution refers to the evolution of at least two species, which occurs in a mutually dependent manner. An example is the coevolution of flowering plants and associated pollinators (e.g., bees, birds, and other insect species). …

Is warm blooded convergent evolution?

It arises independently by convergent evolution in more than one clade. For example, both mammals and birds are able to maintain a high constant body temperature (warm-blooded). However, the ancestors of each group did not share this character, so it must have evolved independently.

Are sharks and dolphins an example of convergent evolution?

Both dolphins and sharks swim after prey in the ocean. We know that dolphins and sharks are not closely related, and they didn’t inherit their similar body shapes from a common ancestor. Their streamlined bodies, dorsal fins and flippers are the result of convergent evolution.

Which is the closest living relative to a bird?

Crocodiles

How is parallelism different from convergent evolution?

Strictly speaking, convergent evolution occurs when descendants resemble each other more than their ancestors did with respect to some feature. Parallel evolution implies that two or more lineages have changed in similar ways, so that the evolved descendants are as similar to each other as their ancestors were.

Which is very good example of parallel evolution?

‘Parallel evolution’ occurs when independent species acquire similar characteristics while evolving together at the same time in the same ecospace. An example of parallel evolution is extinct browsing-horses and paleotheres. The difference between parallel and convergent evolution is as follows.

What are 3 major sources of evidence for evolution?

Evidence for evolution

Anatomy. Species may share similar physical features because the feature was present in a common ancestor (homologous structures).
Molecular biology. DNA and the genetic code reflect the shared ancestry of life.
Biogeography.
Fossils.
Direct observation.

Does convergent evolution lead to new species?

Convergent evolution creates analogous structures or ‘homoplasies’, those which have similar forms or functions between diverged species, but were not present in the common ancestor of the two.

Is mimicry an example of convergent evolution?

Natural selection can result in evolutionary convergence under several different circumstances. Species can converge in sympatry, as in mimicry complexes among insects, especially butterflies (coral snakes and their mimics constitute another well-known example).

What is analogous trait?

ANALOGOUS STRUCTURES. When animals from different groups with different ancestors live in the same habitat they can sometimes form similar structures that have a certain function. This is because of the similar way of life in their respective habitats.

Why do sharks and dolphins look alike?

Gradually sharks, ichthyosaurs, and dolphins came to look alike because natural selection favored one particular shape over all others for rapid movement through the seas. Figure legend: Convergent Evolution. Although very different species, the dolphin and the icthyasaur look alike.

How are sharks different from dolphins?

The first difference between sharks and dolphins is the type of animal they are — sharks are fish while dolphins are mammals (like us). Sharks’ tail fins are vertical and they use them in a side-to-side motion to swim, while dolphins’ tails are horizontal and they use them in an up-and-down motion to swim.

Why are sharks better than dolphins?

Dolphins’ biggest advantage over sharks’ strength is their intelligence. Using echolocation, Dolphins can quickly navigate through water to avoid or attack sharks. Bite Me If You Can. Known to be stealthy hunters, sharks’ best chance to take down a dolphin is when it’s unaware or in a blind spot.

What is the difference between a fish and a shark?

Are sharks fish? Sharks are fish. They live in water, and use their gills to filter oxygen from the water. Sharks are a special type of fish known because their body is made out of cartilage instead of bones like other fish.

Who is the closest relative to the sharks?

skates and rays

Are sharks actually Fish?

Like rays and skates, sharks fall into a subclass of fish called elasmobranchii. Species in this subclass have skeletons made from cartilage, not bone, and have five to seven gill slits on each side of their heads (most other fish have only one gill slit on each side), which they use to filter oxygen from the water.

Are sharks the only fish that give live birth?

Do sharks lay eggs or give live birth? Sharks exhibit a great diversity in reproductive modes. There are oviparous (egg-laying) species and viviparous (live-bearing) species. Oviparous species lay eggs that develop and hatch outside the mother’s body with no parental care after the eggs are laid.