Antarctica Flashcards
(11 cards)
What are the main physical features of Antarctica?
- South Pole
- Trans-Antarctic Mountains
- Antarctic Peninsula
- Ross Ice Shelf
- Ronne Ice Shelf
- Antarctic Circle
These features are critical for understanding the geography of Antarctica.
What is a producer in a food web?
An organism that produces energy through photosynthesis or chemosynthesis.
Producers are typically plants or phytoplankton in aquatic ecosystems.
What is a consumer in a food web?
An organism that eats other organisms for energy.
Consumers can be classified as herbivores, carnivores, or omnivores.
Define herbivore.
An animal that primarily eats plants.
Examples include deer and rabbits.
Define carnivore.
An animal that primarily eats other animals.
Examples include lions and hawks.
What is a top carnivore?
The highest predator in a food web, with no natural enemies.
Examples include killer whales and great white sharks.
Why is Antarctica so cold, dry, and windy?
Due to its high latitude, elevation, and the presence of ice sheets.
These factors contribute to extreme weather conditions.
What human activity is banned under the Antarctic Treaty?
Military activity and mineral mining.
The treaty aims to preserve Antarctica for peaceful and scientific purposes.
What are 4-figure and 6-figure grid references used for?
To locate features on a map.
4-figure references provide a general area, while 6-figure references give a more precise location.
What can be plotted on a climate graph?
- Temperature
- Precipitation
Climate graphs visually represent the climate of a region over time.
True or False: The Antarctic Treaty allows for unrestricted human activity in Antarctica.
False
The treaty restricts activities to protect the environment.
