How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
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- How many species of sea turtles are there?
“There are seven species of sea turtles.”
Reference: NOAA Fisheries
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What decides whether a baby sea turtle is male or female?
The temperature of the sand decides whether baby sea turtles hatch male or female. Warmer nests produce more females.
How many species of elephant are there?
There are three living elephant species: the African savanna elephant, the African forest elephant, and the Asian elephant.