Respiratory system: Regulates body temperature.

Digestive system: Filters toxins from blood.

Nervous system: Controls muscle movements.

Circulatory system: Transports blood and nutrients.

Moonlight, soil, and air pressure.

Sunlight, water, carbon dioxide, and nutrients.

Water, minerals, and darkness.

Sunlight, salt, and heavy metals.

Elephant, habitat: Arctic tundra with icebergs.

Kangaroo, habitat: Australian outback with grasslands.

Penguin, habitat: Tropical forests near the equator.

Polar bear, habitat: Arctic region on sea ice.

Biodiversity is the total biomass of organisms, and it is essential for industrial productivity and resource extraction.

Biodiversity refers to the genetic variations within a single species, and it is vital for technological advancement.

Biodiversity is the number of species in a region, and it is crucial for economic growth and development.

Biodiversity is the variety of life on Earth, and it is important for ecosystem health, resilience, and human well-being.