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Ornithoptera richmondia figs. 1 and 2 The plate accompanied Gray's original description. The female Ornithoptera euphorion below (fig. 3) is much larger.. O. richmondia has never received an official IUCN classification (Collins & Morris, 1985), however Sands & Scott (1997) regarded it to satisfy the "vulnerable" category because of habitat loss across its former range.
The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
Three Troides and eight Ornithoptera species have been given assessments by the IUCN Red List, with classifications ranging from "least concern" to "endangered". [8] Richmond birdwings (O. richmondia) depend on the plant Aristolochia praevenosa which they need for their caterpillars.
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.
Ornithoptera is a genus of birdwing butterflies found in the northern portion of the Australasian realm, east of Weber's line; the Moluccas, New Guinea, the Solomon Islands, and northeastern Australia; except for Ornithoptera richmondia, which may be found in far northeastern New South Wales, Australia, therefore the southernmost distribution of birdwings.
Phytoplankton (/ ˌ f aɪ t oʊ ˈ p l æ ŋ k t ə n /) are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems.The name comes from the Greek words φυτόν (phyton), meaning 'plant', and πλαγκτός (planktos), meaning 'wanderer' or 'drifter'.
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Oceanic plants and animals easily capture what they need for their daily life, which make them 'lazy' and 'slow'. Sea water removes waste from animals and plants. Sea water is cleaner than we can imagine. Because of the huge volume of ocean, the waste produced by oceanic organisms and even human activities can hardly get the sea water polluted.