Reptiles & Amphibians
This water-dwelling larval stage of a frog breathes with gills.
What is a tadpole?
The largest animal known to have ever lived, it can reach about 100 feet long.
What is the blue whale?
The largest living bird, which also lays the largest eggs.
What is the ostrich?
Bats and dolphins find prey by bouncing sound off objects, an ability called this.
What is echolocation?
Spiders aren't insects. They belong to this class with scorpions and ticks.
What is Arachnida (arachnids)?
Reptiles are ectotherms, so they rely on this to control their body temperature.
What is heat from their surroundings (the sun, warm rocks)?
The number of hearts an octopus has.
What is three?
This raptor is the fastest animal on Earth, topping 200 mph in a hunting dive.
What is the peregrine falcon?
A harmless milk snake resembling a venomous coral snake is an example of this type of mimicry.
What is Batesian mimicry?
This level of classification sits directly above species.
What is genus?
The scientific name for the process of a snake shedding its skin.
What is ecdysis (molting)?
Clownfish shelter among the stinging tentacles of this animal in a mutualistic relationship.
What is a sea anemone?
This seabird has the longest known migration, flying roughly pole to pole every year.
What is the Arctic tern?
Camels store this in their humps, not water.
What is fat?
Whales, bats, and humans all belong to this class, defined by hair and milk production.
What is Mammalia (mammals)?
This Mexican salamander can regrow lost limbs and keeps its larval gills as an adult.
What is the axolotl?
Starfish aren't fish. They belong to this phylum along with sea urchins and sand dollars.
What is Echinodermata (echinoderms)?
Birds have no teeth, so they grind food in this muscular stomach chamber, often with swallowed grit.
What is the gizzard?
The fennec fox's oversized ears help it hear prey underground and get rid of this.
What is body heat?
This Swedish scientist created binomial nomenclature, the two-part naming system for species.
Who is Carl Linnaeus?
In many turtles and crocodilians, this factor during egg incubation decides whether hatchlings are male or female.
What is temperature?
The anglerfish's glowing lure comes from this light-producing ability, supplied by symbiotic bacteria.
What is bioluminescence?
Male bowerbirds attract mates by building and decorating this structure.
What is a bower?
Tardigrades survive extreme drying out by entering this dormant, nearly lifeless state.
What is cryptobiosis (the tun state)?
Birds are the living descendants of this group of dinosaurs, which also includes T. rex and Velociraptor.
What are theropods?