5.1.U4 Evolution of homologous structures by adaptive radiation explains similarities in structure when there are differences in function. 5.1.A2 Comparison of the pentadactyl limb of mammals, birds, amphibians, and reptiles with different methods oflocomotion. Evidence from comparative anatomy 一些生物的...
A. things animals like to do B. changes in animals to survive C. the colors of animals D. the sounds animals make 相关知识点: 试题来源: 解析 B。本题考查对“adaptations(适应)”的理解。适应意味着动物为了生存而发生的变化,选项 A“things animals like to do(动物喜欢做的事情)”错误;选项 C...
Increasing evidence of the role of gene flow in animal evolution: hybrid speciation in the yellow-rumped warbler complex. Molecular Ecology 20, 2236-2239.Jacobsen, F. & Omland, K.E. 2011. Increasing evidence of the role of gene flow in animal evolution: hybrid speciation in the yellow-...
evolution to use many receptors for cell entry is not clear, although some evidence supports a mutational model for the evolution of new receptor ... AD Miller 被引量: 0发表: 2019年 Evidence for functionally distinct subpopulations of steroidogenic cells in the domestic turkey (Meleagris gallopavo...
The clustering of all African zebu mtDNA sequences within the taurine lineage is attributed to ancestral crossbreeding with the earlier B. taurus inhabitants of the continent. 展开 关键词: Evolution Animal Domestication Bovine Evolution Conservation Genetics Mitochondrial DNA ...
Bryozoans (also known as ectoprocts or moss animals) are aquatic, dominantly sessile, filter-feeding lophophorates that construct an organic or calcareous modular colonial (clonal) exoskeleton1,2,3. The presence of six major orders of bryozoans with advanced polymorphisms in lower Ordovician rocks...
ie. wing of bast and arms of primates Describe an example of evolution that has occurred within the past 50 years in a multicellular species (e.g., insect, bird). Pesticide resistance? Using evolutionary reasoning, explain why much of the National Institutes of Health budget is devoted to ...
Resolving the relationships between the major lineages in the animal tree of life is necessary to understand the origin and evolution of key animal traits. Sponges, characterized by their simple body plan, were traditionally considered the sister group of all other animal lineages, implying a gradual...
The evolution of female ornaments and weaponry: social selection, sexual selection and ecological competition Ornaments, weapons and aggressive behaviours may evolve in female animals by mate choice and intrasexual competition for mating opportunities-the standard ... J Tobias,R Montgomerie,B Lyon - 《...
et al. Uncertainty in the timing of origin of animals and the limits of precision in molecular timescales. Curr. Biol. 25, 2939–2950 (2015). Article PubMed PubMed Central CAS Google Scholar Dohrmann, M. & Wörheide, G. Dating early animal evolution using phylogenomic data. Sci. Rep...