Lab Practical 1: Gymnosperms
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11 Terms
What are seeds?
it is a type of embryo
What comes before the seed in alternation of generations?
it is a egg or sperm
What comes after the seed in alternation of generations?
germination occurs
What is monoecious?
1 plant that has both male and female structuresW
What is Dioecious?
male and female structures are found in separate plants
What are conifers structures?
has cone shape, is monoecious
What are Ginkgo structures?
circle shape, is dioecious
Are strobili(cones) sporophytes or gametophyte?
sporophyte
What is heterosporous?
has 2 different types of sporangia and 2 different types of spores. Ex. Male and female gametes will have male and female spores
How do males produce sperm in cones?
microsporangia (makes spores) —> microspore mother cell (makes pollen) —> microspore/pollen grain —> sperm
How do females produce eggs in cones?
megasporangium —> megaspores mother cell —> megaspore —> megagametophyte