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2 days ago · Marine microorganisms, including protists and bacteria and their associated viruses, have been variously estimated as constituting about 70% or about 90% of the total marine biomass. Marine life is studied scientifically in both marine biology and in biological oceanography .
19 hours ago · In part, their resilience may be affected by their microbiome, which, in turn, may be influenced by ocean warming and acidification. To understand these impacts, we exposed early-development Pacific oyster spat to different temperatures (18°C and 24°C) and p CO 2 levels (800, 1,600, and 2,800 µatm) in a fully crossed design for 3 weeks.
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1 day ago · Sponges in temperate regions live for at most a few years, but some tropical species and perhaps some deep-ocean ones may live for 200 years or more. Some calcified demosponges grow by only 0.2 mm (0.0079 in) per year and, if that rate is constant, specimens 1 m (3.3 ft) wide must be about 5,000 years old.
5 days ago · Taxonomy of Protista. A modern non-hierarchical interpretation of the phylogeny of eukaryotes, including protists. A protist ( / ˈproʊtɪst /) is any eukaryotic organism (one with cells containing a nucleus) that is not an animal, plant, or fungus.
2 days ago · Marine biology is the scientific study of the biology of marine life, organisms in the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy . A large proportion of all life on Earth lives ...
2 days ago · The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. Although there is some evidence of life as early as 4.1 to 4.28 Ga, it remains controversial due to the possible ...
5 days ago · Identification Chrysochromulina leadbeateri is a small round species of Chrysochromulina with two unequal length flagella (13-16 and 16-20 µm long) and a slightly longer haptonema (20-24 µm long).