homework questions #5 Flashcards
What are the 4 climatic factors influencing the growth of plants?
Light
Moisture
Temp.
Wind
What causes excessive drying by increasing evaporation from exposed surfaces?
Wind
What involved photoperiodism?
Light
Explain the results of photoperiodism w/ regard to plants?
More fluctuation in the photoperiod stimulates seasonal behavior such as flowering and leaf fall.
What are the benefits of wildfire to forests or grasslands?
helpful to seeding and sprouting of plants
What is a biome?
an large recognizable assemblage of plants and animals in functional interaction w/ its environment
What are the (10) major types of biomes?
- Desert
- Tropical Rainforest
- Tropical Deciduous Forest
- Tropical Savanna
- Tropical Shrub
- Mediterranean woodland and shrub
- Midlatitude Grassland
- Midlatitude Deciduous Forest
- Boreal Forest 10. Tundra
What is the diff. between evergreen and deciduous trees?
Evergreen: Sheds leaves on sporadic basis but always looks fully leaved
Deciduous: On an annual basis all leaves die and fall due to either dry or cold season
What is the diff. b/w Xerophytic and Hydrophytic plants?
Xerophytic: plants in dry areas
Hydrophytic: plants in wet areas
Describe the two types of root systems and the reason for each type.
Long taproots: long to penetrate deeply in search of water table
Myriad small roots: seek any moisture near surface over a broad area
Vertical zonation in vegetation patterns are largely due to the effects of elevation on what (2) things?
Temperature
Precipitation
What (3) biomes exist as a result of the tall mountain ranges in CA?
Subalpine Forest
Pinon Woodland
Sage Brush
Which biome has trees growing closely together w/ little sun on ground?
subalpine forest
Which biome has trees growing widely apart, drier than forests?
Pinon woodland
Which biome has leafy plants growing closely to the ground w/ little amt. of trees?
Sage brush
