Morphological species concept (MSC) Cronquist (1978) siv lub tswv yim no nws txhais cov hom me tshaj plaws uas niaj hnub thiab txiav txim siab txawv thiab txawv ntawm qhov nruab nrab txhais tau tias.
Leej twg muab lub tswv yim morphological ntawm hom?
K. Jordan yog thawj tus tsim lub tswvyim no hauv xyoo 1905. Tom qab xyoo 1940, Mayr tau txhawb lub tswvyim no. Raws li lub tswv yim no, "Ib hom yog ib pab pawg ntawm cov tib neeg uas muaj kev sib cuam tshuam ntawm cov pej xeem uas raug cais tawm ntawm lwm pab pawg".
Dab tsi yog hom kab mob morphological?
Phenetic Species Concept (morphological species concept): ib pawg kab mob uas zoo sib xws thiab sib txawv ntawm lwm yam teeb meem. Phylogenetic Species tswvyim: pawg tsawg tshaj plaws monophyletic txawv los ntawm kev sib koom muab los ntawm (synapomorphic) yam ntxwv.
Leej twg hais txog Nominalistic hom tswvyim?
2. Nominalistic Species Concept: Occan, tus tawm tswv yim ntawm lub tswv yim no thiab nws cov thwjtim (Buffon, Bessey, Lamarck, thiab lwm yam) ntseeg tias tsuas yog tib neeg muaj nyob tab sis tsis ntseeg txog lub neej ntawm hom.
3 hom tswvyim yog dab tsi?
Lub tswv yim ntawm hom yog ib qho tseem ceeb tab sis nyuaj hauv biology, thiab qee zaum raug xa mus rau "qhov teeb meem ntawm hom". Qee hom tsiaj loj yog: Typological (los yog Essentialist, Morphological, Phenetic) hom tswvyim. Typology yog nyob ntawmmorphology/phenotype.