21 авг. 2023 г. · Top 10 facts about sharks · 1. There are over 500 species of shark · 2. Sharks are apex predators · 3. They can vary dramatically in size · 4.

Shark facts. 1. The earliest sharks date back to around 450 million years ago, meaning they were around millions of years before dinosaurs walked the Earth.

17 июл. 2023 г. · Topics · 1. Many Sharks Species Are Endangered · 2. Coconuts Are More Dangerous Than Sharks · 3. Sharks Can Lose More Than 30,000 Teeth In A ...

Sharks are fishes. Like other fishes, sharks are cold-blooded, have fins, live in the water, and breathe with gills. A shark's skeleton is made of cartilage.

Sharks have been in our oceans for over 400 million years. Some of the earliest sharks were discovered dating back to the Devonian age.

For 400 million years, sharks have roamed every ocean on Earth. Few species have thrived on our planet for as long — and even fewer have been as misunderstood.

5 дней назад · Though there are exceptions, sharks typically have a tough skin that is dull gray in colour and is roughened by toothlike scales. They also ... White shark · Shark behaviour · Shark finning · Nurse shark

13 июл. 2023 г. · Sharks are well known for their sensory capabilities. It was once believed that sharks had 6 senses. But now we can identify 8 distinct shark senses.

Sharks are relatives of manta rays. • Sharks have been on Earth longer than trees. Text from the June / July 2020 issue of National Geographic Kids magazine.