What percentage of human DNA is shared with chimpanzees?

What is the fastest land animal?

Which animal has the best memory?

How many years can a plastic bottle take to decompose in nature?

What percentage of plants are pollinated by bees?

Which animal species has the longest recorded lifespan?

Which animal never sleeps?

Which animal has the longest tongue relative to its body?

Which tree is considered the oldest living individual organism?

Which dinosaur was the largest ever discovered?

Which butterfly is famous for its long-distance migration across North America?

Which bird lays the largest egg in relation to its body size?

What percentage of Earth's oxygen comes from the ocean?

Which animal can sleep with one half of its brain at a time?

How many bones does a shark have?

In what year was Charles Darwin's 'On the Origin of Species' published?

How many species become extinct every day?

What percentage of Earth's species live in the ocean?

How many times can a hummingbird flap its wings per second?

How many hearts does an octopus have?