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Plants and the Colonization of Land

Plants and the Colonization of Land

Plants and the Colonization of Land. AP Biology – Chapter 29. Evolution of Plants. There were NO PLANTS until about 500 million years ago. Until that time all life had been essentially aquatic… Terrestrial Earth – barren. It’s hard to Imagine…. Evolution of Plants.

By aquarius
(886 views)

Plants

Plants

Science Jeopardy. Plants. Critters. Find Nemo. Invert. Gardens. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. Double Science Jeopardy. F.J. Mammals. No Class. Natural Sel. Pot Luck. Category 5. 200. 200. 200.

By nita-bentley
(90 views)


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Seed Plants

Seed Plants

Seed Plants. Review…. A green alga is the most likely ancestor to land plants Imagine life in a shallow, temporary pond. How could you resist drying conditions?. Fig. 29.15 Bryophytes. Adaptations to shallow water may have “set the stage” for the invasion of land… waxy cuticle

By jleighton (0 views)

Seed Plants

Seed Plants

Seed Plants. Chapter 22.4 - 22.5. Chapter 22 Vocabulary – Part B. 22.4 Gymnosperm Cone Pollen grain Pollination Seed Embryo Seed Coat. 22.5 Angiosperm Fruit Monocot Dicot Cotyledon Annual Biennial Perennial. Crash Course Biology. Vascular Plants

By efrem (281 views)

Seed Plants

Seed Plants

Seed Plants. Seed plants are divided into two groups:. 1. gymnosperms – which bear their seeds directly on the surface of cones. Gymnosperms include conifers such as pine and spruce, palmlike plants called cycads, ginkgoes, and the very weird gnetophytes .

By marinel (179 views)

Seed Plants

Seed Plants

Seed Plants. Two groups of seed plants: Gymnosperms Angiosperms Gymnosperms include the conifers and cycads and this group originated in the Carboniferous period.

By Albert_Lan (180 views)

Seed Plants

Seed Plants

Seed Plants. Seedless Plants Mosses & ferns (ferns are vascular plants) make spores , not seeds Embryo from sexual reproduction develops within archegonium in parent plant Embryo does not need to await favorable conditions to develop. Seed Plants

By kathie (296 views)

Seed Plants

Seed Plants

Seed Plants. Botany - Ch 5 . Seed Plants. Recall that seedless plants were either nonvascular or vascular… either way they did NOT produce seeds Seeds can be found everywhere …acorns, dandelion seeds, kernels of corn, even peanuts! Seeds are very common and often overlooked.

By jemima (297 views)

Seed Plants

Seed Plants

Seed Plants. BSC 2011L. Seed Vascular Plants. Among plants, these include the gymnosperms and angiosperms. Reproductive differences in seedless vs. seed plants. Sporangia Seed plants have 2 types: megasporangium , microsporangium Protection of egg

By jeffreye (2 views)

Seed Plants

Seed Plants

Seed Plants. Evolution of the seed. Seeds represent an extreme form of heterospory Seed – mature ovule with embryo Megasporangium surrounded by integuments Events leading to evolution of seed Retention of megaspores in megasporangium (nucellus) Reduction in number of megaspore mother cells

By betty_james (646 views)

Seed Plants

Seed Plants

Seed Plants. 9.1 Characteristics of Seed Plants 9.2 Gymnosperms 9.3 Angiosperms 9.4 Plant Responses and Growth. 9.1 Characteristics of Seed Plants. Two Characterisitics: * Vascular Tissue * Seeds to Reproduce Example: Dandelion’s “seed head” = hundreds of fruits,

By earlf (0 views)