Colonization of Land by Plants and Fungi/ Plant Reproduction & Domestication questions and solutions

Colonization of Land by Plants and Fungi/ Plant
Reproduction & Domestication questions and solutions

When did plants colonize land? - answer-475 mya or <500 mya
mp mp mp mp mp mp mp mp mp mp




Did plants colonize land BEFORE OR AFTER animals? - answer-Before
mp mp mp mp mp mp mp mp mp




What did the land surface look like before plants colonized land? - answer-Covered by water
mp mp mp mp mp mp mp mp mp mp mp mp mp mp




When do the first 'forests' appear? - answer-385 mya mp mp mp mp mp mp mp mp




When do the first flowering plants? - answer-140 mya mp mp mp mp mp mp mp mp




What characteristics do animals, plants and/or fungi have in common? - answer-eukaryotes/multicellular
mp mp mp mp mp mp mp mp mp mp mp




Which two are organism are more closely related: Animals and fungi, plants and fungi, or animals and plants - answer-
mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp




animals and fungi mp mp




How did fungi help plants colonize land? - answer-Plant and fungi symbiotic/mutualistic relationship via mycorrhizae
mp mp mp mp mp mp mp mp mp mp mp mp mp mp




fungi (mycorrhizae: fungal hyphae that transferred nutrients by absorbing them from the soil and transferring the
mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp




nutrients to their plant host cells via fungal roots to living plant cells).
mp mp mp mp mp mp mp mp mp mp mp mp mp




What does hyphae look like? - answer-white threads mp mp mp mp mp mp mp




When did fungi colonize land? - answer-460 mya mp mp mp mp mp mp mp




The symbiotic relationship between fungi and plants is found in what proportion of land plants today? - answer-85%
mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp




challenge: water loss - answer-innovation: cuticle & stomata mp mp mp mp mp mp mp




Challenge - Gas exchange - answer-Innovation: pores & stomata mp mp mp mp mp mp mp mp




Challenge: uptake of H20 and nutrients - answer-Innovation: Roots mp mp mp mp mp mp mp mp




Challenge: transport of H20 and nutrients - answer-Innovation: Vascular tissues (xylem and phloem) mp mp mp mp mp mp mp mp mp mp mp mp




Challenge: Support - answer-Innovation: Lignin mp mp mp mp




Challenge: competition for light - answer-Innovation: True leaves mp mp mp mp mp mp mp




Challenge: Sexual Reproduction w/o H20 to transfer gametes - answer-Innovation: pollen mp mp mp mp mp mp mp mp mp mp




Challenge: Sporophyte Disperal - answer-Innovation: Seed mp mp mp mp mp




alternation of generations - answer-the alternation between the haploid gametophyte and the diploid sporophyte in a
mp mp mp mp mp mp mp mp mp mp mp mp mp mp mp




plant's life cycle
mp mp mp