Archegonia Study guides, Class notes & Summaries

GCU BIO-182 Exam 2 With 100% Correct Answers 2024 Green Algae - answer____________ called charophytes are the closest relatives of land plants. Land plants share four key traits with only charophytes - answer• Rings of cellulose- synthesizing complexes • Peroxisome enzymes • Structure of flagellated sperm • Formation of a phragmoplast Sporopollenin - answerIn charophytes a layer of a durable polymer called _____________ prevents exposed zygotes from drying out Sporopollenin - ...

Importance of plants Correct Answer-food, natural products, ecosystem services (oxygen, ozone, coal), culture Preadaptations of Charophytes Correct Answer-fresh water spores covered in sporopollenin, life cycle allows dispersal by wind (spores) Gametophyte Correct Answer-haploid (n), makes gametes by mitosis Sporophyte Correct Answer-diploid (2n), makes spores by meiosis Alternation of Generations Correct Answer-Gametophytes go through mitosis to create gametes, which form zygote, zy...

Four major adaptations of evolution of plants correct answer: -evolution of vascular tissue -diversification of vascular plants about 400 MYA with spore production as a means of reproduction -origin of seed producing plants 360 MYA -evolution of flowering plants 130 MYA Plants are.. correct answer: -multicellular -eukaryotic -autotrophic -almost 300,000 species -evolved from green algae Bryophytes are correct answer: mosses, simplest plants, nonvascular; often include liverwort a...

Gymnosperms - Answer-(conifers) Seeds not enclosed in ripened ovary. Angiosperms - Answer-(Flowering plants) Seeds are enclosed in a ripened ovary/fruit. 7 characteristics of seed plants - Answer-1. Megaphyllous leaves (branched veins w/ leaf trace gaps) 2. Heterospory [advanced] (production of spores of two different sizes and sexes) 3. Eusporangiate 4. Xylem and phloem 5. Dominant and independent sporophyte 6. Gametophyte is dependent on the sporophyte for nutrition 7. Reproduce by see...

BIOL 1P92 Final Exam Prep Questions Well Answered 100% Prokaryotes which plastids originated from - ANSWER Photosynthetic prokaryotic endosymbionts by non-photosynthetic eukaryotic hosts. Are protists monophyletic? - ANSWER Protists are not monophyletic, they are paraphyletic (includes single ancestor and some descendants). They contain organisms that are more closely related to members of other kingdoms than they are to other protists. Phytoplankton - ANSWER Microscopic photo...

BIOL 1P92 Final Exam Prep Questions Well Answered 100% Prokaryotes which plastids originated from - ANSWER Photosynthetic prokaryotic endosymbionts by non-photosynthetic eukaryotic hosts. Are protists monophyletic? - ANSWER Protists are not monophyletic, they are paraphyletic (includes single ancestor and some descendants). They contain organisms that are more closely related to members of other kingdoms than they are to other protists. Phytoplankton - ANSWER Microscopic photo...

BIOL 1P92 Final Exam Prep Questions Well Answered 100% Prokaryotes which plastids originated from - ANSWER Photosynthetic prokaryotic endosymbionts by non-photosynthetic eukaryotic hosts. Are protists monophyletic? - ANSWER Protists are not monophyletic, they are paraphyletic (includes single ancestor and some descendants). They contain organisms that are more closely related to members of other kingdoms than they are to other protists. Phytoplankton - ANSWER Microscopic photo...

GCU BIO-182 Exam 2 with Verified Solutions 2024 Green Algae - Answer -____________ called charophytes are the closest relatives of land plants. Land plants share four key traits with only charophytes - Answer -• Rings of cellulose-synthesizing complexes • Peroxisome enzymes • Structure of flagellated sperm • Formation of a phragmoplast Sporopollenin - Answer -In charophytes a layer of a durable polymer called _____________ prevents exposed zygotes from drying out Sporopollenin ...

IB biology past essay questions HL and SL all units and mark scheme 2023 (A+) Outline what is meant by the trophic level of an organism with three examples from one named habitat. (4 max) - Answer-feeding level for an organism in a food chain naming of habitat (1 mark) naming three trophic levels correctly (1 mark) three examples forming a food chain from the named habitat (1 mark) 2. Compare the ways in which autotrophic, heterotrophic and saprotrophic organisms obtain energy. (6 ma...

Root, stem, leaf, flower, seed, fruit -->Refer to Angiosperms picture downloaded in Desktop Roots -->organ of plants that provide structure, absorb nutrients and water, and help protect against harmful external environments Stem -->A vascular plant organ consisting of an alternating system of nodes and internodes that support the leaves and reproductive structures. Leaf -->a flattened structure of a higher plant, typically green and bladelike, that is attached to a stem directl...