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Seagrasses evolved from terrestrial plants which recolonised the ocean 70 to 100 million years ago. The name seagrass stems from the many species with long and narrow leaves , which grow by rhizome extension and often spread across large " meadows " resembling grassland ; many species superficially resemble terrestrial grasses of the family ...
They keep coastal waters healthy by absorbing bacteria and nutrients, and slow the speed of climate change by sequestering carbon dioxide into the sediment of the ocean floor. Seagrasses evolved from marine algae which colonized land and became land plants, and then returned to the ocean about 100 million years ago.
This species of Caulerpa prefers to grow on rockwork though it may venture out onto the substrate. Under strong lighting, it will grow dense blades, resembling clusters of grapes. Additionally, it is known to be edible to humans and is also called Green caviar, Latok, and Umibudo. [47] [48] 6 in (15.2 cm) [49] Fern algae: Caulerpa mexicana ...
Marine botany is the study of flowering vascular plant species and marine algae that live in shallow seawater of the open ocean and the littoral zone, along shorelines of the intertidal zone, coastal wetlands, and low-salinity brackish water of estuaries. It is a branch of marine biology and botany.
Weighing just about 23 kilograms (50 pounds), Grasshopper – adorned with pink skis, a few cameras and a lot of tech – can currently plant up to 60 seeds per minute and can hold up to 20,000 ...
The growth rate of Wolffia varies within and among species. The rates of photosynthesis and respiration also vary proportionately to growth rate. The fastest growth rate (in fact, the fastest growth rate of any flowering plant) is shown by a clone of Wolffia microscopica, with a doubling time of 29.3 hours.
It cannot grow in fresh water but some growth is possible at a salinity of 10 parts per thousand. The plant's preferred salinity range is 25 to 38.5 parts per thousand with a temperature range of 20 to 30 °C (68 to 86 °F). It is found from the low-tide mark down to depths of 30 metres (98 ft), depending on water clarity.
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