Plastic is said to "never fully degrade." Explain what is meant by this.

What phylum are sea butterflies classified under?

Plastics are made of synthetic polymers. What does "synthetic polymer" mean?

Are there any marine reptiles?

What does pH stand for?

What percentage of our oxygen is produced by the ocean?

How much of the ocean is yet to be fully explored?

The largest structure created by non-human organisms is a type of what?

The world's longest mountain range is:

According to a study conducted by Orb Media on plastics and tap water, ____% of tested water samples from major metropolitan areas around the world were contaminated with plastic fibers.

In 2018 a study was conducted to find where microplastics could end up. Where was it found?

The largest compound eye of any organism on the planet belongs to what deep sea dweller?

A lot of people know what seahorses look like, but what more general group of organisms do they belong to?