Deep sea covers over 95% of Earth's living space. Light fades rapidly below 650 feet, temperature drops to near freezing. Ocean divided into five zones: epipelagic, mesopelagic, bathypelagic, abyssopelagic, hadalpelagic
Porpoises are small dolphin-like cetaceans with flattened teeth and no pronounced beak. Eight extant species range from 1.4m vaquita to 2.3m Dall's porpoise. They have streamlined bodies, two flippers, and thick blubber for insulation. Use echolocation and ultrasonic clicks for navigation and communication
Ecosystem consists of organisms and their environment interacting through nutrient cycles. Biotic components include plants, animals, and bacteria; abiotic components are water, soil, and atmosphere. Term "ecosystem" coined by Arthur Tansley in 1935
Players manage a simulated ecosystem threatened by a meteor strike. Game combines building, resource gathering, and environmental management. Players must balance individual needs with ecosystem preservation
Article aims to highlight diverse animal species starting with N. Animals play crucial roles in Earth's ecosystem. Website provides links to animal news stories
Article provides comprehensive list of over 1100 animal names from A to Z. Database includes names of more than 3000 animals. List serves as teaching resource and conservation awareness tool. Contains links to animal news stories throughout