Microbiology
These are single-celled organisms that lack a nucleus.
Prokaryotes
This colorful part of a flower attracts pollinators like bees and butterflies.
The Petals
This part of the brain controls balance and coordination
The Cerebellum
This extinct animal, closely related to the modern elephant, once roamed the Ice Age tundra.
The Woolly Mammoth
This was the first National Park, established in 1872.
Yellowstone National Park
Gram staining differentiates bacteria based on this structural feature.
The Cell Wall
This pigment gives plants their green color.
Chlorophyll
These cells transmit electrical signals in the nervous system.
Neurons
This flightless bird, driven extinct by hunting and invasive species in the 1600s, was native to Mauritius.
The Dodo
This state has the most National Parks of any in the U.S.
California
This term describes bacteria that thrive in high-salt environments.
Halophiles
This group of plants produces seeds inside of cones, such as pines and firs.
Gymnosperms
This neurotransmitter is involved in mood regulation and is targeted by most antidepressants.
Serotonin
As of today, only this many Northern White Rhinoceros remain in the world.
This park contains the lowest point in North America, Badwater Basin.
Death Valley National Park
This process allows bacteria to take up naked DNA fragments from their environment.
Transformation
This flower blooms in pink or white clusters on an evergreen shrub. It is also the state flower of Pennsylvania.
Mountain Laurel
The blood-brain barrier is primarily formed by these cells.
Astrocytes
This classification indicates a species is at the highest risk of extinction on the IUCN Red List.
Critically Endangered
This federal department oversees the National Park Service.
Department of the Interior
This process allows bacteria to exchange genetic material via a pilus.
Conjugation
Found in the Namib Desert, this ancient plant has only two leaves and can live for over 1,000 years.
The Welwitschia
This lobe of the brain is responsible for decision-making and personality.
The Frontal Lobe
The thylacine, also called the Tasmanian tiger, was last seen in the wild during this decade.
The 1930s
This Alaskan park is larger than entire country of Switzerland.
Wrangell-St. Elias National Park