例句與造句

1. In contrast, the giant kelp " Macrocystis pyrifera " bears many blades along its stipe, with a pneumatocyst at the base of each blade where it attaches to the main stipe.
2. Commercial varieties of alginate are extracted from seaweed, including the giant kelp " Macrocystis pyrifera ", " Ascophyllum nodosum ", and various types of " Laminaria ".
3. However, this classification may also be revised since three of the four " Macrocystis " species are interfertile ( " M . laevis "'interfertility has not yet been tested and all four species are genetically similar.
4. For example, a " Macrocystis " canopy may extend many meters above the seafloor towards the ocean surface, while an understory of the kelps " Eisenia " and " Pterygophora " reaches upward only a few meters.
5. Whereas sticklebacks use this secretion to bind plant matter together to create a nest, the tube-snout simply attaches its eggs to a substrate . " Aulorhynchus " attaches its eggs to kelp, notably " Macrocystis pyrifera ".
6. It's difficult to find macrocystis in a sentence. 用macrocystis造句挺難的
7. The stipe may be relatively flexible and elastic in species like " Macrocystis pyrifera " that grow in strong currents, or may be more rigid in species like " Postelsia palmaeformis " that are exposed to the atmosphere at low tide.
8. Brown seaweeds are usually large, and range from the giant kelp " Macrocystis pyrifera " that is often 20 m long, to thick, leather-like seaweeds from 2-4 m long, to smaller species 30 60 cm long.
9. Giant kelp, " Macrocystis pyrifera ", has been utilized for many years as a food source; it contains many compounds such as iodine, potassium, other minerals vitamins and carbohydrates and thus has also been used as a dietary supplement.
10. The forests of " Macrocystis pyrifera " form a protective canopy, fostering the ideal temperature for various species that are temperature sensitive, such as " C . sitchensis ", and the growth of macroalgae and coralline algae needed for their survival.
11. It may grow as a short structure near the base of the alga ( as in " Laminaria " ), or it may develop into a large, complex structure running throughout the algal body ( as in " Sargassum " or " Macrocystis " ).
12. This snail is found frequently on rocks in the low intertidal zone and in the shallow subtidal zone on large kelp, especially the giant kelp " Macrocystis " . " Calliostoma " eats a variety of items including the kelp it lives on as well as small sessile organisms and other material that live on rocks or kelp surfaces, including bryozoans, hydroids, diatoms, and detritus.
13. Of the more dominant genera, " Laminaria " is mainly associated with both sides of the Atlantic Ocean and the coasts of China and Japan; " Ecklonia " is found in Australia, New Zealand, and South Africa; and " Macrocystis " occurs throughout the northeastern and southeastern Pacific Ocean, Southern Ocean archipelagos, and in patches around Australia, New Zealand, and South Africa.
14. For example, in California, " Macrocystis pyrifera " forests, the nudibranch " Melibe leonina ", and skeleton shrimp " Caprella californica " are closely associated with surface canopies; the kelp perch " Brachyistius frenatus ", rockfish " Sebastes " spp ., and many other fishes are found within the stipitate understory; brittle stars and turban snails " Tegula " spp . are closely associated with the kelp holdfast, while various herbivores, such as sea urchins and abalone, live under the prostrate canopy; many seastars, hydroids, and benthic fishes live among the benthic assemblages; solitary corals, various gastropods, and echinoderms live over the encrusting coralline algae.
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