Unit 2 Plants.pdf

Unit 2 Plants Evolution of seed plants Thursday, August 10, 2023 6:46 PM...

Unit 2 Plants Evolution of seed plants Thursday, August 10, 2023 6:46 PM Non vascular plants ○ Archegonia - Haploid egg - Gymnosperms and Angiosperms * Comes from Chlorophyta Alter of generations ○ Antheridia - Haploid sperm Dormancy - A freeze method to survive harsh times during Haplontic Geminating Land plants - Dominant stage in the life cycle is haploid Two gametophytes - Water to land [Gametophyte] - Male (Micro) [Developed strategies] Diplontic - Fertilization makes diploid sporophyte ▪ No water - Dominant stage in the life cycle is diplontic ▪ Move by wind, water or animal [Sporophyte] - Female (Mega) Plant phylogeny ▪ Developed in a ovule Percy Julian - Made synthetic alts for drugs Phyla of extant seed plants Coniferophyta Cycadophyta Gnetophyta Ginkophyta Anthophyta Apical Meristems [a region on a plant where they are growing] Xylem [Takes water and minerals from soil into the stem] Phloem Waxy cuticle [Transport sugars throughout plant] [Protects leaves and stem] Flavonoids and other pigments ○ Prevent harmful effects due to UV rays Poisonous chemicals ○ Deter predators * Charales - The closest living relative of land plants BIO Notes Page 1 Section 4.1 - 4.3 Friday, September 27, 2024 4:42 PM Random Variable The outcome of a probability experiment is often a count or a measure Random indicates that x is determined by chance Random variables ○ Discrete When it has a finite or countable number or possible outcome that can be listed (counted data) ○ Continuous When it has an uncountable number of possible outcomes, represented by an interval on a number line (measured data) Discrete probability distribution Listing each value of the random variable with its corresponding probability STATS Page 2 STATS Page 3 Monday, September 16, 2024 7:38 PM New Recording 2 New Recording 2.m4a was uploaded using the Transcribe feature on OneNote for Win32. 8:22 PM Monday, September 16, 2024 Quick Notes Page 4