| 单词 | reproductive structure |
| 例句 | Male and female reproductive structures are found on the nodes, and the sperm have flagella. Fundamentals of Biology 2015-01-01T00:00:00Z Figure 14.28 Monoecious plants have both male and female reproductive structures on the same flower or plant. Concepts of Biology 2013-04-25T00:00:00Z The insects responsible for pollinating cacao’s tiny flowers are, themselves, also tiny, in order to access the flower’s reproductive structures. How Pollination Affects Chocolate Production 2023-02-14T05:00:00Z Similarly, in some cases closely related organisms try to mate, but their reproductive structures simply do not fit together. Biology for AP Courses 2022-06-09T00:00:00Z Though there are plenty of potential partners out there, stalks of these large algae are stuck in place, and possible mates often keep their reproductive structure hidden. In a First, Tiny Crustaceans Are Found to “Pollinate” Seaweed like Bees of the Sea 2022-07-28T04:00:00Z The third whorl contains the male reproductive structures and is known as the androecium. Fundamentals of Biology 2015-01-01T00:00:00Z The sporangium, the multicellular sexual reproductive structure, is present in bryophytes. Concepts of Biology 2013-04-25T00:00:00Z Gametes are formed in reproductive structures at the tips of the gametophytes. Miller & Levine Biology 2018-01-01T00:00:00Z The reproductive structures that evolved in land animals, including humans, allow males and females to mate, fertilize internally, and support the growth and development of offspring. Biology for AP Courses 2022-06-09T00:00:00Z A mushroom is a temporary reproductive structure used by some fungal species, but not all. Environmental Biology 2018-09-06T00:00:00Z The success of angiosperms is due to two novel reproductive structures: flowers and fruit. Fundamentals of Biology 2015-01-01T00:00:00Z Testosterone can influence tissues that are bipotential to become male reproductive structures. Anatomy and Physiology 2013-06-19T00:00:00Z Pollen grains are carried to the female reproductive structure by wind or animals through pollination. Miller & Levine Biology 2018-01-01T00:00:00Z The reproductive structures that evolved in land animals allow males and females to mate, fertilize internally, and support the growth and development of offspring. Biology for AP Courses 2022-06-09T00:00:00Z Trilobites’ delicate bits, such as legs, antennae and reproductive structures, were made of soft tissues that rarely petrified. Sex Life of One of Earth’s Earliest Animals Exposed 2022-06-03T04:00:00Z Indeed, the familiar mushroom is a reproductive structure used by many types of fungi. Fundamentals of Biology 2015-01-01T00:00:00Z Explain how the internal female and male reproductive structures develop from two different duct systems. Anatomy and Physiology 2013-06-19T00:00:00Z "We think this may be kind of a snapshot of this very rarely witnessed transition period in evolutionary history where you see high variation amongst spores in the reproductive structure." Fossilized remains of 400-million-year-old newly discovered plant could change 'evolutionary history' 2020-05-04T04:00:00Z FSH and LH affect reproductive structures to cause the formation of sperm and the preparation of eggs for release and possible fertilization. Biology for AP Courses 2022-06-09T00:00:00Z Among them, researchers found two sets of short, grasping appendages that looked an awful lot like reproductive structures called claspers. Sex Life of One of Earth’s Earliest Animals Exposed 2022-06-03T04:00:00Z The sporangium—the multicellular sexual reproductive structure—is present in bryophytes and absent in the majority of algae. Fundamentals of Biology 2015-01-01T00:00:00Z Fungi build massive reproductive structures to spread their spores. The momentous transition to multicellular life may not have been so hard after all 2018-06-28T04:00:00Z We are all familiar with the beauty of flowers - the reproductive structures produced by about 90 % of all living land plants. Did the first flower look like this? - BBC News 2017-08-01T04:00:00Z Compare the specialization of reproductive structures found in different types of land animals. Biology for AP Courses 2022-06-09T00:00:00Z This is a stalked apothecium, the reproductive structure of the fungus part of the lichen. New Trove of Lichen Fossils Expands Total from 15 to 167 2017-06-17T04:00:00Z The carpels, which are the female reproductive structures, consist of the stigma, style, and ovary. Fundamentals of Biology 2015-01-01T00:00:00Z "This is the first time in vertebrate evolution that males and females developed separate reproductive structures," Long says in a statement. Sex started with fish at least 385 million years ago 2014-10-21T04:00:00Z Only female construct rafts, which also happen to contain viable eggs at different stages of development, suggesting that the flotation devices might double as reproductive structures , the group reports today in Current Biology. Snails Ship Out on Scrambled Eggs 2011-10-10T17:00:00Z Further, the roots, seeds, and the whole reproductive structure of the coal-measure plants are all present in an unequalled state of preservation. The Galaxy Vol. 23, No. 1 Openings in the lichen, root-like structures called rhizines, cortical hairs, and reproductive structures all appear more or less like modern equivalents. New Trove of Lichen Fossils Expands Total from 15 to 167 2017-06-17T04:00:00Z The sporophytes differentiate specialized reproductive structures called sporangia, which are dedicated to the production of spores. Fundamentals of Biology 2015-01-01T00:00:00Z If there be not, then, an arrangement of the reproductive structures, such as I have indicated, how can the different results in M. Neumann's experiments and mine be accounted for? More Letters of Charles Darwin — Volume 2 In addition to the fungal structures seen below, asexual reproductive structures called soralia, isidia, and lobules -- basically places where tangles of fungus and alga break off to spread the lichen -- were all also present. New Trove of Lichen Fossils Expands Total from 15 to 167 2017-06-17T04:00:00Z |
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