less than billion years ago, all living organisms were confined to the oceans, protected from dying out, ultraviolet radiation, and large temperature fluctuation
1 billion years ago
green algae, which are important members of Kingdom Protista, began transitioning from water to the land, eventually giving rise to green land plants. when
400 million years ago
tiny freshwater green algae that grow as an EPIPHYTE
Coleochaete
an alga or a plant that attaches itself in a nonparasitic manner to another living organism
EPIPHYTE
-Features that is the same in higher plants
cells that resemble parenchyma development of cell plate and phragmoplast during mitosis protective covering for the zygote production of lignin-like compound
adds mechanical strength to cell walls, and the discoverers suggested that it originated as a protection against microbes
Liginin
The lignin-like compound was present
100 million years ago
KINGDOM PROTISTA FEATURES
diverse and heterogenous
What does kingdom Protista lack that is in Kingdom Animalia, Plantae, and Fungi.
distinct combinations
single-celled Protista examples
euglenoids, protozoans, some algae
algae nutrition
photosynthetic
slime molds and protozoans nutrition
ingesting their food
euglenoids are either
photosynthetic or ingesting their food
oomycetes and chytrids
absorb their food solution
Individual life cycles vary considerably, but reproduction is generally by
cell division and sexual processes.
capable of spontaneous movement)
Motile
Many protists are motile(capable of spontaneous movement), usually using
flagella
but other members of the kingdom, especially those that are multicellular, are
nonmotile, although most of the multicellular members produce some motile cells
grouped into several major phyla based on the form of their reproductive cells and combination of pigments and food reserves
ALGAE
ALGAE grouped into several major phyla based on the form of their
reproductive cells and combination of pigments and food reserves