Plant Tempo and Mode

Question 1

What makes plants relatively simple organisms?

Answer 1

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

Question 2

What is the mode of life?

Answer 2

Essentially sedentary, but reproductive propagules can be dispersed great distance

Question 3

What happens to plants during time of stress?

Answer 3

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

Question 4

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

Answer 4

Polyploidy is rife and and readily hybridize

Question 5

What is Autopolyploidy?

Answer 5

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

Question 6

What is Allopolyploidy?

Answer 6

Hybridization occurs and offspring contain sets of chromosomes from both parents

Question 7

What environmental conditions drive plant evolution?

Answer 7

Climate change, atmosphere composition, tectonic setting

Question 8

What is coevolution?

Answer 8

When two or more species reciprocally affect each others evolution