Study Set Content:
1- Flashcard

SEED PLANTS

GYMNOSPERMS

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2- Flashcard

seeds do not develop enclosed within an ovary but are usually borne exposed on the surfaces of reproductive structures, such as cones.

GYMNOSPERMS

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3- Flashcard

Conifers

Division Coniferophyta

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4- Flashcard

Cycads)

 Division Cycadophyta

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5- Flashcard

Gingko

Division Gingkophyta

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Gnetophytes

Division Gnetophyta

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7- Flashcard

The Conifers – Pines

Division Coniferophyta

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8- Flashcard

 largest genus of conifers

The Conifers – Pines (Division Coniferophyta

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9- Flashcard

Pinus (pines) has over number of species

100

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They include the world's oldest known living organisms

bristlecone pines

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native to the White Mountains of eastern central California and the Snake range on the central Nevada-Utah bord

bristlecone pines

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12- Flashcard

ne that was, unfortunately, cut down in 1964 was found to have been about years old

4,900

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13- Flashcard

Pine leaves are

needlelike Arranged in clusters of two to five leaves each

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14- Flashcard

Regardless of the number of leaves, each cluster forms a

culindrical rod

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15- Flashcard

Pines often live in areas where the topsoil is frozen for a part of the year?

Yes

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16- Flashcard

Modifications : beneath the epidermis consisting of one to several layers of thickwalled cells.

hypodermis

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17- Flashcard

Modification the epidermis itself is

coated with a thick cuticle.

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18- Flashcard

Modification  are recessed or sunken in small cavities.

stomata

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19- Flashcard

Modification The veins and their associated tissues are surrounded by an

endodermis

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20- Flashcard

Modifications do not have the obvious air spaces typical of the spongy mesophyll of the leaves of flowering plants.

Mesophyll cells

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