| EURASIAN | Of Earth's largest landmass |
| KRILL | From Norwegian for "small fish fry", a micro crustacean forming one of Earth's largest biomasses and constituting the principal food of the largest living animal, the blue whale (5) |
| TUSK | Long tooth of Earth's largest land animal and a trust that protects such (4) |
| ASIA | Eastern part of the Earth's largest landmass |
| EURASIA | Earth's largest landmass, consisting of two continents |
| PACIFICOCEAN | Earth's largest body of water |
| AMAZON | Covering around 40 per cent of South America and sometimes referred to as the "world's lungs", Earth's largest rainforest (6) |
| BLUEWHALE | Growing to more than twice the length of a Tyrannosaurus rex and exhibited in skeletal form in the Natural History Museum in London, Earth's largest living animal (4,5) |
| TAIGA | (GKN) Marshy coniferous forest covering much of subarctic North America and Eurasia, constituting Earth's largest land biome (5) |
| MAUNALOA | Earth's largest active volcano |
| PACIFIC | Earth's largest and deepest ocean (7) |
| SAHARA | The Earth's largest desert |
| OSTRICH | Earth's largest bird species |
| ELEPHANT | Earth's largest land mammal (8) |
| LOA | Mauna ___ (Earth's largest volcano) |
| MOON | Earth's largest satellite (4) |
| COCONUTCRAB | Earth's largest terrestrial arthropod, found on some Indian and Pacific Ocean islands |
| ONETHIRD | Asia's share of Earth's landmass, roughly |
| RUSSIA | More than 11% of Earth's landmass |
| MAP | From the Latin meaning "sheet of the world", any one of the many diagrammatic representations of Earth's surface created in the art or science of cartography (3) |
