Chapter 15-18 Flashcards
Identify, name, and classify organisms.
Taxonomists
Evolutionary processes to sort out natural relationships.
Systematists
Species defined by morphology
Morphologist species concept
Species is population able to breed and is reproductively isolated from other groups.
Interbreeding species concept
A species is a group of related individuals that occupy a unique ecological niche.
Ecological species concept.
Single criterion not sufficient to identify species.
Eclectic species concept
Species do not exist.
Nominalistic species concept
What kinds of species do bryophytes include?
Mosses, liverworts, and hornworts.
What is a male gametophyte called?
Antheridiophore
What is a female gametophyte called?
Archegoniophore
Phylum hepaticophyta
Liverworts
Phylum bryophyta
Mosses (peat mosses, true mosses, and rock mosses)
Phylum anthocerophyta
Hornworts
Phylum psilotophyta
Whisk ferns
Phylum lycophyta
Ground pines (selaginella - spike mosses, isoetes - quillworts
Phylum equisetophyta
Horsetails and scouring rushes (hollow central cavity)
Phylum polypodiophyta
Ferns
Crozier
Conspicuous phase of the sporophyte (fiddlehead)
Ginkgophyta
only the ginkgo tree
Phylum pinophyta (or coniferophyta)
conifers
Phylum cycadophyta
cycads (tropical and slowgrowing)
Phylum gnetophyta
vessels in xylem
Phylon
Common names