Plants Flashcards
diverse group of eukaryotic, multicellular, photosynthetic autotrophs that inhabit a myriad of environments from lush tropical rainforests to scorching deserts
Plants
fresh water green algae that evolved to plants during the Paleozoic Era, approximately 450 million years ago
Charophytes
plants that lack specialized conducting tissues to transport water and nutrients throughout the plant’s body
Nonvascular plants
Phylum of liverworts
Phylum Hepatophyta
Phylum of true mosses
Phylum Bryophyta
plants that possess specialized tissues for conducting water and nutrients throughout the plant
Vascular Plants
plant organs that absorb water and nutrients from the soil and, in addition, anchor a plant
Roots
vascular plant organs that support leaves and reproductive structures
Stems
the primary photosynthetic organs of plants
Leaves
Phylum of ground pines, club mosses, quillworts, and spike mosses
Phylum Lycophyta
Phylum of ferns
Phylum Pterophyta
appear in the fossil record approximately 305 million years ago during the Carboniferous Period & Mesozoic Era
Gymnosperm
multicellular male gametophytes
Pollen Grains
occurs when pollen is carried from the male reproductive organs to the female reproductive organ in a number of ways
Pollination
having separate sexes
Dioecious
The wood of conifers is considered this. composed primarily of tracheids and rays
Softwood