Q: How many hearts do octopuses have?
Octopuses have three hearts. Two of the hearts work completely to maneuver blood past the animal’s gills, whereas the third retains circulation flowing for the organs.
Three
Four
Two
One
A: 1
Q: Octopuses have blue blood. Which aspect kinds the idea of its blood that provides the blue color?
To survive within the deep ocean, octopuses advanced a copper fairly than iron-based blood referred to as hemocyanin, which turns its blood blue. This copper base is extra environment friendly at transporting oxygen than haemoglobin when the water temperature may be very low and never a lot oxygen is round.
Iron
Chromium
Copper
Cobalt
A: 3
Q: Where are two-thirds of an octopus’s neurons positioned?
Two-thirds of an octopus’s neurons reside in its arms. As a consequence, the arms can problem-solve methods to open a shellfish whereas the mind is busy doing one thing else, like trying out a cave for extra meals.
Brain
Eyes
Gills
Arms/ tentacles
A: 4
Q: How many eggs on common can an octopus lay?
Female octopuses can lay as much as 400,000 eggs, which they obsessively guard and have a tendency to. Prioritizing their motherly duties, they cease consuming until the eggs hatch.
10,000
50
40,000
800
A: 3
Q: Which octopus species is essentially the most toxic?
The blue-ringed octopus, regardless of its small dimension, carries sufficient venom to kill 26 grownup people inside minutes.
Giant Pacific Octopus
Blue Ring Octopus
Caribbean Reef Octopus
Coconut Octopus
A: 2
