WebMicroscopic plant-like organisms called phytoplankton are the base of the marine food web, and they play a key role in removing carbon dioxide from the air. ... The bacteria that decompose the phytoplankton deplete the oxygen in the water, suffocating animal life; the result is a dead zone. ... Some of this carbon is carried to the deep ocean ... WebTethered to a life at the surface because they require breathable oxygen, many large animals will make impressive dives to the deep sea in search of their favorite foods. Sperm whales, southern elephant seals, …
In photos: Spooky deep-sea creatures Live Science
WebIn very small animals, plants and bacteria, simple diffusion of gaseous metabolites is sufficient for respiratory function and no special adaptations are found to aid respiration. Passive diffusion or active transport are also sufficient mechanisms for many larger aquatic animals such as many worms, jellyfish, sponges, bryozoans and similar ... WebSep 30, 2024 · Plants are important primary producers on Earth. They are an essential source of food for animals and alter the chemical composition of the atmosphere and many water-based environments. Plants dominate the terrestrial landscape and live deep in … While green plants need the sun to make food via photosynthesis, even the … The ocean is full of sea animals that eat algae, the major photosynthetic primary … Of the true plants, the many seagrass species dominate as the most common … praveen wadalkar course free download
Hydrothermal Vent Creatures Smithsonian Ocean
WebJan 28, 2024 · crustaceans (e.g., crabs, lobsters, shrimp) echinoderms (e.g., sea cucumbers, sea urchins, starfish) mollusks (e.g., clams, octopi squid, scallops) Ocean animals exist at all depths. The deeper ... WebUse the National Geographic MapMaker Interactive and the temperature, chlorophyll, and surface currents layers to demonstrate how one ocean biotic factor, like chlorophyll concentration, is affected by two abiotic factors, like sea surface temperature and currents. Credits User Permissions Funder WebApr 13, 2024 · Litters of up to 8 babies are possible but not common. At birth, they are blind, hairless, and their ears closed. Newborn squirrels weigh about ½ ounces; at five weeks old, they weigh around 3 to 4 ounces. By the time they are weaned at 10-12 weeks old, they will be roughly half of their adult weight. Once a squirrel is weaned, it begins to ... science westboro