Science·easy
How many calves does a female hippopotamus typically give birth to?One✓ correct
Two to three
Four to five
Six or more
hipporeproductionoffspringbiology
Science·hard
How many teeth does an adult hippopotamus typically have?hippoanatomyteethbiology
Science·medium
Hippopotamuses produce a reddish-colored sweat that acts as a natural sunscreen.hippobiologyadaptationpigmentation
Science·easy
How much can an adult hippopotamus weigh?Up to 4,000 kilograms✓ correct
Up to 2,000 kilograms
Up to 6,000 kilograms
Up to 1,500 kilograms
hippoweightmammalsbiology
Science·hard
How many toes does an ostrich have on each foot?ostrichesanatomyfeetbiology
Science·hard
Which of the following organisms exhibits a life cycle that includes both asexual and sexual reproduction stages?Plasmodium (malaria parasite)✓ correct
Humans
Lions
Oak trees
life cyclesparasitesreproductiondiseasebiology
Science·medium
All mammals go through a larval stage similar to insects before reaching their adult form.life cyclesmammalsdevelopmentbiology
Science·easy
The human life cycle is typically divided into five main stages: infancy, childhood, adolescence, adulthood, and old age.life cycleshuman developmentagingbiology
Science·easy
Which stage of the butterfly life cycle involves the insect being enclosed in a protective casing?Chrysalis✓ correct
Larva
Imago
Nymph
life cyclesinsectsmetamorphosisbiology
Science·easy
Identical twins are genetically identical clones of each other.clonestwinsgeneticsbiology
Science·medium
A fingerprint pattern remains exactly the same throughout a person's entire lifetime.fun factshuman bodybiology
Science·easy
Koalas are actually marsupials, not bears.fun factsanimalsbiology
Science·medium
What is the name of the process by which plants release water vapor?Transpiration✓ correct
Respiration
Photosynthesis
Evaporation
fun factsbiologyplants
Science·medium
What type of animal is a quokka?Marsupial✓ correct
Rodent
Primate
Reptile
fun factsanimalsaustraliabiology
Science·hard
What color is the blood of a horseshoe crab?Blue✓ correct
Red
Green
Purple
fun factsbiologymarine lifeanimals
Science·medium
Octopuses have three hearts that pump blue blood throughout their bodies.fun factsmarine lifebiologyocean
Science·medium
The average lifespan of a taste bud is approximately two weeks.fun factstaste budshuman bodybiology
Science·hard
A snail's teeth are harder than a human's tooth enamel.fun factssnailsanimalsbiology
Science·hard
The fingerprints of koalas are nearly identical to human fingerprints.fun factsanimalsbiology
General Knowledge·medium
Sloths only defecate once a week and lose up to 30% of their body weight when they do.fun factsanimalsbiology
Science·hard
The smell of fresh-cut grass is actually a chemical distress signal released by the plant.fun factsplantschemistrybiology
Science·hard
How many times per second does a housefly beat its wings?fun factsinsectsbiology
General Knowledge·medium
Wombats produce cube-shaped feces.fun factsanimalsbiologyaustralia
Science·hard
A person's sense of smell actually improves after eating spicy food.fun factssensesbiologyfood
Science·medium
What color are the dots on a ladybug traditionally used for?To warn predators of toxicity✓ correct
To help them attract mates
To regulate body temperature
To aid in navigation
fun factsinsectsevolutionbiology
Science·easy
What is the only mammal capable of true powered flight?Bat✓ correct
Flying lemur
Flying squirrel
Flying fish
fun factsanimalsmammalsbiology
Science·medium
A crocodile's bite is stronger than a shark's bite.fun factsanimalsbiologypredators
Science·medium
The human body produces a new skeleton approximately every 10 years.fun factshuman bodybonesbiology
Science·medium
Humans shed approximately 30,000 to 40,000 dead skin cells every minute.fun factshuman bodybiologyanatomy
Science·easy
What is the most common blood type in the world?O positive✓ correct
A positive
B positive
AB positive
fun factsblood typebiologyhealth
Science·medium
Fingernails grow faster in winter than in summer.fun factshuman bodybiologyanatomy
Science·hard
A shrimp's heart is located in its head.fun factsanimalsmarine lifebiology
Science·hard
Humans and bananas share approximately 50 percent of their DNA.fun factsbiologygeneticsdna
Science·medium
The human brain is primarily composed of water.fun factsbiologyhuman bodyanatomy
Science·easy
Snakes shed their entire skin multiple times throughout their lives.fun factsanimalsreptilesbiology
Science·hard
Which animal's fingerprints are nearly identical to human fingerprints?Koala✓ correct
Chimpanzee
Gorilla
Orangutan
fun factsanimalsbiologyfingerprints
Science·hard
A human nose can remember over one trillion different smells.fun factshuman bodysensesbiology
Science·medium
Turkeys can blush, changing the color of their skin on their head and neck.fun factsanimalsbiologybirds
Science·medium
Wombat feces are cube-shaped.fun factsanimalsbiologywombats
Science·hard
How many hearts does a squid have?Three✓ correct
Two
Four
Five
fun factsmarine lifebiology