Earthworm has _____ hearts.
5 hearts
A cow gives nearly ___________ glasses of milk in a lifetime.
200,000 glasses
A snail can sleep up to 3 HOURS/DAYS/WEEKS/MONTHS/YEARS.
3 years
It takes a sloth (con lười) ____ days to digest its food.
14 days
What is the difference between WARM-BLOODED and COLD-BLOODED animals?
Warm-blooded: Body temperature stays the same when it's hot or cold outside.
Cold-blooded: Body temperature depends on where it's hot or cold outside
The heart of the shrimp is located on its _______
HEAD
An ostrich's eye is SMALLER/BIGGER than its brain.
BIGGER
A giraffe cleans his ears with its _______
tongue
Nearly _____% of the ice in Antarctic glaciers (tảng băng) is penguin urine (nước tiểu).
3%
Asian elephants consume around ____________ kg of food per day.
140 - 180kg
Octopus has _______ (colour) blood.
blue blood