Blue- green algae
Responsible for the marked increase in Oxygen 2000 million years ago
DNA shows the first green plants evolved from prokaryotes between 2500 and 1000 million years ago.
Same chlorophyll in algae and land plants.
a symbiotic relationship between two organisms in which one of the two organisms (the endosymbiont) lives inside the body of the other one (the host).
Kingdom - Plantae
Species (Genus + specific epithet)
Plantae--includes all plants
Magnoliidae--subclass for Magnolia-like plants
Magnoliales--order for Magnolia-like plants
Magnoliaceae--family for Magnolia-like plants
Magnolia--genus that includes all Magnolias
A new condition is added at each step to set up a category that is MOST specific.
Things with wheels = buses, cars, bicycles, skates, airplanes, trains, etc.
And is ground transport = buses, cars, bicycles, trains
And can carry more than one person = buses, cars, trains
And runs on rails = trains
– lack xylem & phloem & seeds
– have xylem & phloem, lack seeds
- have seeds, but not enclosed
- enclosed seeds