Despite their "whale" name, orcas are actually the largest species in this marine family.
What is the dolphin family? (Delphinidae)
In October 1957, the Soviet Union shocked the world by launching this, the first artificial satellite, into orbit.
What is Sputnik 1?
The primary water-transporting tissue in vascular plants that moves moisture up from the roots.
What is xylem?
When dinosaurs first emerged 245 million years ago, they lived on this massive supercontinent before it broke apart.
What is Pangaea?
This iron-rich protein found in red blood cells binds to oxygen and carries it throughout the body.
What is hemoglobin?
Orcas live and hunt in these highly social, matriarchal family groups.
What are pods?
Launched in 1973, this was the first United States space station, though it ultimately burned up in the atmosphere in 1979.
What is Skylab?
These specialized cells on the underside of a leaf open and close to regulate gas exchange and water loss.
What are stomata?
In 1912, massive fossils of the duck-billed Edmontosaurus were discovered in the western portion of this northern neighbor of the U.S.
What is Canada?
Nemo and other clownfish famously share a symbiotic relationship with this predatory, plant-like marine animal.
What is an anemone?
This is the official two-word Latin scientific name for the orca.
What is Orcinus orca?
In 2021, NASA launched this massive infrared successor to Hubble to peer back at the universe's earliest galaxies.
What is the James Webb Space Telescope?
Meaning "seed container" in Greek, this is the botanical term for any flowering plant that produces enclosed seeds.
What is an angiosperm?
The Bravoceratops was named after a river in this U.S. state, where its massive skull was unearthed in 2013
What is Texas
Water moves quickly through cell membranes via specialized protein pores called these.
What are aquaporins?
Off the coast of South Africa, orcas are famous for hunting great white sharks specifically to eat this nutrient-rich organ.
What is the liver?
This massive, three-stage liquid-fueled rocket was developed by NASA primarily to propel the Apollo missions to the Moon.
What is the Saturn V
Found on woody plants and acting like a stomata, these porous tissue structures allow for gas exchange through the bark.
What are lenticels?
This massive sauropod, whose name means "arm lizard," was distinct for having front legs longer than its hind legs.
What is a Brachiosaurus?
This genetic anomaly occurs when homologous chromosomes fail to separate correctly during cell division.
What is nondisjunction?
This is the term for a specific regional population of orcas that has its own unique diet, language, and hunting culture.
What is an ecotype?
As commander of Apollo 17 in December 1972, this Texan astronaut holds the distinction of being the last person to walk on the Moon.
Who is Gene Cernan?
This compound is the primary structural component of plant cell walls and is the most abundant organic polymer on Earth.
What is cellulose?
This well-armored, club-tailed herbivore gets a name meaning "well-armored head" from the Greek word cephale.
What is an Euoplocephalus?
The endosymbiotic theory suggests that mitochondria and chloroplasts actually originated as these free-living, single-celled organisms before being engulfed by ancestral eukaryotic cells.
What are prokaryotes (or bacteria)?