Mindblown: a blog about philosophy.
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Brown seaweeds such as kelps are:
{“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Mosses”,”Fungi”,”Angiosperms”,”Phaeophytes with fucoxanthin”],”correct”:3,”type”:”mcq”,”explain”:”Brown algae are mostly marine and can form huge underwater forests.”}
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Green algae share with land plants:
{“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Chitin cell walls”,”Haemoglobin”,”Chlorophyll a and b and starch storage”,”Feathers”],”correct”:2,”type”:”mcq”,”explain”:”Charophytes are the closest algal relatives of land plants.”}
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Algae are mainly:
{“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Animals with bones”,”Viruses”,”Aquatic photosynthetic organisms, often without true roots, stems or leaves”,”Woody land trees”],”correct”:2,”type”:”mcq”,”explain”:”They range from microscopic phytoplankton to large seaweeds.”}
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True or false: The dominant generation in mosses is the gametophyte.
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“True”,”False”],”correct”:0,”type”:”true_false”,”explain”:”Unlike ferns and seed plants, bryophytes are gametophyte-dominant.”}
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Sphagnum moss is ecologically important because it:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Forms peat and holds huge amounts of water”,”Builds coral reefs”,”Produces wheat grain”,”Fixes nitrogen in root nodules like legumes”],”correct”:0,”type”:”mcq”,”explain”:”Peatlands store carbon and water and depend on Sphagnum.”}
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Liverworts often have a flattened body called a:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Woody stem”,”Thallus”,”Frond with sori”,”Needle leaf”],”correct”:1,”type”:”mcq”,”explain”:”Many liverworts are thalloid; others are leafy.”}
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The moss capsule produces:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Tubers”,”Pollen tubes”,”Seeds”,”Spores”],”correct”:3,”type”:”mcq”,”explain”:”Meiosis in the capsule yields haploid spores.”}
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Moss sperm typically reach the egg by:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Swimming in a film of water”,”Wind only”,”Phloem translocation”,”Insect pollination of a fruit”],”correct”:0,”type”:”mcq”,”explain”:”Free water is required for fertilisation, so mosses thrive in moist habitats.”}
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Bryophytes absorb water mainly:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Through vessels like trees”,”Through deep tap roots”,”Only through flowers”,”Over the body surface (they have rhizoids, not true roots)”],”correct”:3,”type”:”mcq”,”explain”:”Rhizoids anchor but do little true vascular uptake.”}
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The green cushion of a moss is mostly:
{“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Fruit wall”,”Secondary xylem”,”Diploid sporophyte wood”,”Haploid gametophyte”],”correct”:3,”type”:”mcq”,”explain”:”The familiar leafy moss is the gametophyte; the stalked capsule is the sporophyte.”}
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