Sea animals

Which of the following is not true about marine animals:

• • has no bones.

• • cannot be microscopic.

• • body is made up of 98% water.

• • have no brain, blood, lungs, or heart.

An electric eel, which lives in the ocean, could provide electricity to power 10 light bulbs. True/False

To adapt to the high altitudes, yaks have developed a _____ instead of iron-based blood called hemoglobin, which gives their blood a reddish color.

Octopus' have three hearts. _____ of the hearts work exclusively to move blood beyond the animal’s gills, while ____ keeps circulation flowing for the organs.

• 1,2

• 1,1

• 2,1

• 1,3

Octopuses like to crawl rather than swim as there heart stops beating while swimming. True/False

________ are socially skilled, intelligent, agile, joyful, and playful creatures that share many emotional similarities with humans.

When ____ sleeps, only 50% of their brain actually sleeps and only one eye closes, so they can watch for predators.

Which of the following is the largest dolphin?

• Orca

• Hector

• Blue whale

• Franciscana

What is the largest animal ever recorded to live on earth?

• Dinosaurs

• Blue whale

• Elephants

• Giraffe

____ is a living creature found in the ocean that lacks a head, mouth, eyes, bones, lungs, brain, or heart. They spend most of their lives attached to a single spot.

• Orca

• Jellyfish

• Starfish

• Sea sponge