Plant Tempo and Mode Flashcards Preview

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Flashcards in Plant Tempo and Mode Deck (8)
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1

What makes plants relatively simple organisms?

Only 40 cell types throughout kingdom, all have same basic needs.

2

What is the mode of life?

Essentially sedentary, but reproductive propagules can be dispersed great distance

3

What happens to plants during time of stress?

can regenerate later, regrow branches or even regenerate from roots and leaves

4

How do new species arise so readily in the plant kingdom?

Polyploidy is rife and and readily hybridize

5

What is Autopolyploidy?

abnormal cell division results in increase in number of copies of chromosomes

6

What is Allopolyploidy?

Hybridization occurs and offspring contain sets of chromosomes from both parents

7

What environmental conditions drive plant evolution?

Climate change, atmosphere composition, tectonic setting

8

What is coevolution?

When two or more species reciprocally affect each others evolution