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Sharks have a long evolutionary history that dates back over 400 million years, making them one of the oldest surviving groups of vertebrates. They first appeared during the Devonian period and have since evolved into a diverse array of species, adapting to various marine environments. Sharks possess unique features, such as a cartilaginous skeleton and highly developed sensory systems, which have allowed them to thrive in changing ocean conditions throughout their history. Their evolutionary success is attributed to their ability to adapt to different ecological niches and their efficient predatory strategies.
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What do tiger sharks mainly do?
"a perfect engine, an eating machine. It's really a miracle of evolution. All this machine does is swim and eat and make little sharks" as per Hooper in Jaws!
Do sharks live in salt water?
Yes, their biology has remained constant through 50 million years of evolution- in saltwater.
How does natural selection affect survival?
Natural selection is the process which determines the shark's evolution. It is humankind that is threatening the sharks' survival.
Do hedgehogs and echidnas show an example of divergent evolution?
Hedgehogs and echidnas show convergent evolution. Despite being far apart, they ended up looking very similar. Like sharks and dolphins.
What is an example of co evolution blue cat and red cat dolphins and sharks honey bees and flower squids and octopuses birds and bats?
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What is an example of co-evolution in a ocean?
Whales and Sharks are examples of coevoultion. they have very similar body shapes despite only being remotely related.
When two unrelated organisms look alike sharks and dolphins?
When two unrelated organisms look alike, it is called convergent evolution. In the case of sharks and dolphins, they have evolved similar streamlined body shapes for efficient swimming in their aquatic environments, despite not being closely related. This similarity in appearance is an example of convergent evolution driven by similar environmental pressures.
How can Darwin's theory of evolution explain the similar appearance in dolphins and sharks?
Though one is a fish and one is a mammal they both have adapted to their immediate environment. Analogous traits.
Dolphins peguins and sharks are distantly-related species that share similar characteristics which help them live in water this is an example of?
Convergent evolution, where unrelated species develop similar traits in response to similar environmental challenges, like living in water. Dolphins, penguins, and sharks have adapted to their aquatic habitats by evolving features such as streamlined bodies, fins, and blubber, despite not sharing a recent common ancestor.
Are Great white sharks mammals?
Sharks are cartilaginous fish. Cartilaginous fish receive oxygen from water via their gills, are cold blooded, and have a skeleton consisting of cartilage, rather than bone. Mammals receive oxygen from the air via lungs, are warm blooded, and have a skeleton made of bone. Mammals also are covered in hair, rather than the scales sharks have, and produce milk for their young. Sharks are not closely related to mammals via evolution, either.
When were fish introduced to the world?
Fish began to evolve during the Cambrian explosion around 530 million years ago. The evolution of early sharks took place in the Devonian period.
Where can you download Hungry Sharks Evolution hacks without completing surveys or participate in any offers?
Bewaring of anyone offering you hacks for games. They are often seeking access to your computer and you will get a virus.
