Seed Plants
Transfer of pollen to female cone.
What is pollination?
Layered microbial mats that are one of the earliest forms of life and are still living.
What are stromatolites?
Number of cell layers in the leptosporangium wall.
What is one?
Number of membranes surrounding the chloroplast.
What is two?
How sperm are delivered to egg.
What is siphonogamy?
Structure that contains the egg.
What is the archegonium?
Cell that fixes nitrogen.
What is the heterocyst?
Dispersal mechanism for leptosporangia.
What is the annulus?
Life cycle where the sporophyte and gametophyte generations appear to be identical (4 words).
What is isomorphic alternation of generations?
Outer whorl of flower.
What are the sepals?
Layer of cells that surrounds the ovule and will become the seed coat.
What is the integument?
Dormancy cell.
What is an akinete?
Name the synapomorphy.
What is the 30kB moniliphyte inversion?
The one word term that describes gametes that are the same size and shape.
What is isogamy?
What water conducting cells are a synapomorphy?
What are vessels?
Nutritive tissue in the development of the conifer ovule.
What is the nucellus (or megasporangium wall)?
Electron donor in photosynthesis.
What is water?
Cluster of sporangia?
What is a sorus?
Term for the union of gametes.
What is fertilization or syngamy?
Structure that contains the egg and 7 other nuclei.
What is the embryo sac?
Number of generations in a conifer seed.
What is three?
Date of earliest evidence of photosynthesis.
What is 3.5 bya?
Term for phloem on both sides of the xylem.
What is amphiploic?
Carbon concentrating structure in chloroplasts of some aquatic/marine plants + hornworts.
What is a pyrenoid?
Structure on carpel that receives pollen.
What is the stigma?