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unidentified species of diatoms are seen to be caught up in an amorphous gelatinous biofilm

标签: unidentified,species,of,diatom 浏览: 2

parasitic flea under micrograph close up

标签: parasitic,flea,under,micrograp 浏览: 1

molecule made up of bound units of acetylglucosamine joined in such a way as to allow for increased points

标签: molecule,made,up,of,bound,unit 浏览: 1

close up of the numerous sensorial hairs or setae

标签: close,up,of,the,numerous,senso 浏览: 1

chitin is a molecule made up of bound units of acetylglucosamine

标签: chitin,is,a,molecule,made,up,o 浏览: 1

spiders possess an exoskeleton composed of chitin molecule made up of bound units of acetylglucosamine

标签: spiders,possess,an,exoskeleton 浏览: 1

close up view of one of two insects hooks

标签: close,up,view,of,one,of,two,in 浏览: 1

particulates were predominantly made up of vegetative matter

标签: particulates,were,predominantl 浏览: 1

close up photo of deer mouse animal mammal peromyscus maniculatus

标签: close,up,photo,of,deer,mouse,a 浏览: 2

an individual setting up a steel trap during an arboviral field study

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ommatidium is composed of separate units made up of a photoreceptor cell support cell and pigment cells

标签: ommatidium,is,composed,of,sepa 浏览: 1

close up face of pakistani malaria control worker undergoing skin patch testing

标签: close,up,face,of,pakistani,mal 浏览: 2

close up of culex quinquefasciatus mosquito larva

标签: close,up,of,culex,quinquefasci 浏览: 1

close up of faces of asian woman and her female doctor

标签: close,up,of,faces,of,asian,wom 浏览: 1

close up face and delivering the vaccine mist into the mans right nostril

标签: close,up,face,and,delivering,t 浏览: 1