TROPHIC LEVEL). other conditions of the organism's existence, such as preferred temperature, moisture and pH, combining spatial habitat with functional interaction with other species.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005 ...
while some reptiles prey on birds. Since a severe loss of the original energy occurs with each transfer from species to species, the ecologist views the food (energy) structure as a pyramid: Each level supports a smaller number and mass of organisms. Thus in a year's time it would take ...
Recent discoveries in cancer biology have greatly increased our understanding of cancer at the molecular and cellular level, but translating this knowledge... SN Khleif,JH Doroshow,WN Hait - 《Clinical Cancer Research An Official Journal of the American Association for Cancer Research》 被引量: 347...
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Beyond the biology of individual stem cell-niche interactions, the next challenge is to uncover the tissue-level processes that orchestrate spatial control of stem-based renewal, repair, and remodeling throughout a whole organ. Here we ... LE O'Brien,D Bilder - 《Annual Review of Cell & Dev...
[26–32]. In the field of stemcell biology, the term “homing” normally refers to a stem cell’s ability to find its way to a particular anatomic destination, often over great distances, via the bloodstream. In fact, such homing is required for all stem cell-based therapeutics, ...
He has New York State Permanent Certification in Biology, Earth Science, and General Science. He has over thirteen years of teaching experience. Prior to teaching, he gained hands on experience working in various medical labs. Cite this lesson Short Summary Let's review. Every species has a ...
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It is predated by the spitting spider Scytodes globula ( Nicolet) ( Araneae: Scytodidae). The biology of each of these species is not well known and it is important to clarify their distributions. The aims of this study are to elucidate the variables involved in the niches of both ...