Plant diversity Flashcards
What did Norman Borlaug do for the ‘Green revolution’?
Dwarf wheat: 1965-1970 food yields doubled in India and Pakistan saving over a billion lives
Nobel Peace Prize (1970)
What are some causes of food waste in low-income countries?
Poor storage conditions
Pests and diseases
What are some causes of food waste in developed countries?
Retail: shelf life, cosmetic appearance
Household food waste
How will crops need to be adapted to deal with climate change?
Drought-resistance
Flooding-resistance
Salt-resistance
What percentage of global crop yields are lost to plant pests and diseases?
40%
What percentage of wildlife species found on UK farmland were under threat from agricultural practices in 2000?
67%
What does it mean for plants to have plasticity?
It is possible for plant cells to undifferentiate then re-differentiate
How do lycophytes and ferns reproduce?
With spores rather than seeds
What are flowering plants called?
Angiosperms
What are the two types of angiosperms?
Monocots and dicots
What is a cotyledon?
A leaf-like structure formed in the embryo
What is a monocot?
One cotyledon
What is a dicot?
Two cotyledons
What are some examples of monocots?
Grasses, palms and orchids
Most cereal crops
What are dicots generally?
Broad-leafed plants
Most leafy crops