Unlike most mammals, which animal is capable of true sustained flight rather than simply gliding?
Bat
What gas do plants primarily absorb from the atmosphere during photosynthesis?
Carbon dioxide
Unlike fish, sharks have skeletons made primarily of what flexible tissue?
Cartilage
What biome is characterized by extremely low precipitation, sparse vegetation, and large differences between daytime and nighttime temperatures?
Desert
I have webbed feet, I spend much of my time around water, and my footprints commonly show three forward-pointing toes. What am I?
Duck
What is the only species of big cat known to have vertical pupils rather than round pupils?
Domestic cat
What specialized tissue transports water and dissolved minerals upward from a plant's roots?
Xylem
Which marine mammal is the only one known to use tools by placing rocks on its chest to crack open shellfish?
Sea otter
What term describes a species that naturally occurs only in a particular geographic area and nowhere else?
Endemic
My footprint has four toes, but my front and rear feet are very different in size. I am a powerful jumper and am native to Australia. What animal am I?
Kangaroo
A group of flamingos is commonly called what?
A flamboyance
What is the name of the process by which a plant loses water vapor primarily through tiny openings in its leaves?
Transpiration
What is the largest species of fish currently living in the world's oceans?
Whale shark
What is the ecological term for a species whose impact on its ecosystem is disproportionately large compared with its population size?
Keystone species
My footprints resemble a human hand, but I have five toes and opposable digits adapted for climbing trees. What animal am I?
Primate
Which bird holds the record for the fastest animal on Earth, reaching over 300 km/h during a hunting dive?
Peregrine falcon
What plant structure contains the male reproductive organs of a flowering plant and produces pollen?
Stamen
A coral reef is built primarily by tiny animals belonging to which group?
Cnidarians
What biome is characterized by permanently frozen subsoil known as permafrost?
Tundra
My paw print usually shows four toes and a large heel pad. Unlike dogs, my claws are generally not visible in my tracks because they can retract. What animal am I?
Cat
The axolotl is famous for retaining juvenile characteristics throughout adulthood. What biological phenomenon describes this?
Neoteny
Some plants produce chemicals that inhibit the growth of nearby competing plants. What is this ecological phenomenon called?
Allelopathy
What phenomenon occurs when microscopic algae living inside coral tissue are expelled, causing the coral to lose its color and potentially die?
Coral bleaching
When a species disappears from an ecosystem and another species fills the same ecological role, what concept describes the ability of organisms to perform similar ecological functions?
Functional redundancy
My footprints are unusual because my hind foot can appear to land in front of my front foot, creating a distinctive bounding pattern. I am a fast-moving mammal adapted for jumping. What am I?
Rabbit / Hare