Greenland Shark Dimensions & Drawings

How many bones do sharks have?

Sharks do not have any bones in their bodies, as their skeleton system is made up of cartilage and connective tissue. This classifies them as Chondrichthyes fish. Cartilage is flexible and has about half of the normal density found in bones.

What do sharks eat?

The diet of a shark varies from shark to shark depending on the species, habitat, and available prey. There are over 400 species of sharks. Most sharks are carnivorous and predators, while some are planktivorous. Sharks aren’t picky and are able to adjust their diet to what is available in order to survive. 

How do sharks sleep?

It is not known if sharks are able to sleep, but they do seem to have periods of rest. Sharks need to keep water moving over their gills to receive oxygen. Some sharks need to keep moving all the times to keep water over their gills, while others have spiracles, an opening behind each eye, that allows them to breath while they are still.

How many bones do sharks have?

Sharks do not have any bones in their bodies, as their skeleton system is made up of cartilage and connective tissue. This classifies them as Chondrichthyes fish. Cartilage is flexible and has about half of the normal density found in bones.

What do sharks eat?

The diet of a shark varies from shark to shark depending on the species, habitat, and available prey. There are over 400 species of sharks. Most sharks are carnivorous and predators, while some are planktivorous. Sharks aren’t picky and are able to adjust their diet to what is available in order to survive. 

How do sharks sleep?

It is not known if sharks are able to sleep, but they do seem to have periods of rest. Sharks need to keep water moving over their gills to receive oxygen. Some sharks need to keep moving all the times to keep water over their gills, while others have spiracles, an opening behind each eye, that allows them to breath while they are still.

How are cartilaginous fish different from bony fish?

Cartilaginous fish are different from bony fish through their skeletons that are made of mostly cartilage as opposed to bony fish which have skeletons composed mostly of bone. Both cartilaginous and bony fish fall under different types of taxonomic groups. Cartilaginous fish are part of the Chondrichthyes while bony fish are of the Osteichthyes class.

How do cartilaginous fish maintain buoyancy?

Cartilaginous fish maintain their buoyancy through their liver which is filled with oil. The oil within their liver helps cartilaginous fish lighten their body to keep it from sinking downwards into the body of water, while also helping the fish save energy to keep moving and direct themselves.

Do cartilaginous fish have jaws?

Cartilaginous fish have movable jaws that are equipped with fully developed teeth. The mouth of cartilaginous fish is typically located under their head. Cartilaginous fish only have one set of oral jaws that are made of cartilage. The jaws of cartilaginous fish are articulated and opposed vertically.

How are cartilaginous fish different from bony fish?

Cartilaginous fish are different from bony fish through their skeletons that are made of mostly cartilage as opposed to bony fish which have skeletons composed mostly of bone. Both cartilaginous and bony fish fall under different types of taxonomic groups. Cartilaginous fish are part of the Chondrichthyes while bony fish are of the Osteichthyes class.

How do cartilaginous fish maintain buoyancy?

Cartilaginous fish maintain their buoyancy through their liver which is filled with oil. The oil within their liver helps cartilaginous fish lighten their body to keep it from sinking downwards into the body of water, while also helping the fish save energy to keep moving and direct themselves.

Do cartilaginous fish have jaws?

Cartilaginous fish have movable jaws that are equipped with fully developed teeth. The mouth of cartilaginous fish is typically located under their head. Cartilaginous fish only have one set of oral jaws that are made of cartilage. The jaws of cartilaginous fish are articulated and opposed vertically.

What do marine animals need to survive?

Factors that marine animals need to survive include bioluminescence which is when animals make their own light and helps them communicate and scare predators. Constant light, pressure, temperature, and food are factors needed to remain stable and help marine animals evolve to survive. Marine animals that live within the deep sea can withstand the cold.

Why do we need to protect marine life?

Humans need to protect marine life because our actions and lifestyles have a direct impact on the ocean. We need to protect marine life and provide a safe and healthy environment that is not impacted by overfishing, climate change, pollution, habitat destruction, invasive species, and other forms of human exploitation.

What is the most common animal in the ocean?

The most common animal in the ocean is the bristlemouth which is a vertebrate, an animal with a backbone. The bristlemouth is a tiny fish that can glow in the dark and has fangs that resemble needles. Bristlemouths are part of the 1 million species of animals that live in the ocean.

What do marine animals need to survive?

Factors that marine animals need to survive include bioluminescence which is when animals make their own light and helps them communicate and scare predators. Constant light, pressure, temperature, and food are factors needed to remain stable and help marine animals evolve to survive. Marine animals that live within the deep sea can withstand the cold.

Why do we need to protect marine life?

Humans need to protect marine life because our actions and lifestyles have a direct impact on the ocean. We need to protect marine life and provide a safe and healthy environment that is not impacted by overfishing, climate change, pollution, habitat destruction, invasive species, and other forms of human exploitation.

What is the most common animal in the ocean?

The most common animal in the ocean is the bristlemouth which is a vertebrate, an animal with a backbone. The bristlemouth is a tiny fish that can glow in the dark and has fangs that resemble needles. Bristlemouths are part of the 1 million species of animals that live in the ocean.

How do animals survive in the arctic?

Animals survive in the arctic by physically developing adaptations to withstand the extreme temperatures such as insulating fur, multiple layers of fat, as well as oily skin coatings. These physical elements in combination with one another help animals live comfortably within the arctic. They also help keep moisture out and heat inside.

Do all arctic animals have blubber?

Arctic animals have blubber that covers their entire body and is an essential element of the physical anatomy. The blubber of arctic animals helps store energy, insulate heat, as well as increase buoyancy. Although some marine animals also have blubber it is thicker among arctic animals to protect them against the extreme cold.

Why are arctic animals white?

Arctic animals are typically white because it offers an additional layer of warmth and protection. Arctic animals are white because it has no extra coloring and provides more room for air to insulate them. The white coloring also helps arctic animals blend into their surroundings and acts as a form of camouflage.

How do animals survive in the arctic?

Animals survive in the arctic by physically developing adaptations to withstand the extreme temperatures such as insulating fur, multiple layers of fat, as well as oily skin coatings. These physical elements in combination with one another help animals live comfortably within the arctic. They also help keep moisture out and heat inside.

Do all arctic animals have blubber?

Arctic animals have blubber that covers their entire body and is an essential element of the physical anatomy. The blubber of arctic animals helps store energy, insulate heat, as well as increase buoyancy. Although some marine animals also have blubber it is thicker among arctic animals to protect them against the extreme cold.

Why are arctic animals white?

Arctic animals are typically white because it offers an additional layer of warmth and protection. Arctic animals are white because it has no extra coloring and provides more room for air to insulate them. The white coloring also helps arctic animals blend into their surroundings and acts as a form of camouflage.

Greenland Shark

Greenland Shark

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Greenland Shark

Greenland Shark

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