3- Which vertical zone would be absent in a very shallow lake?
a- aphotic zone
b- benthic zone
c- pelagic zone
d- photic zone
5- The degree of seasonality in a given latitude is primarily determined by ______
a- the changing angle of the sun hitting that latitude over the course of the year
b- the presence or absence of small bodies of water within the latitude
c- the presence of vertical layering in the terrestrial biome at that latitude
d- the diversity of microclimates within the latitude
6- The presence of sub-tropical climate conditions along the coast of northwest Scotland is due to ____.
a- a constant exposure to direct sunlight.
b- its proximity to a warm, northward current called the Gulf Stream.
c- reflection of the sun's light off nearby mountains.
d- a unique soil type found in that region.
7- In terrestrial biomes, disturbances such as fires and hurricanes ______.
a- are limited to temperature but not tropical latitudes.
b- always play a negative role, disrupting the ecological balance.
c- usually have small effects on the biome's vegetation.
d- can be an integral part of maintaining the plant diversity in the biome.
8- The largest terrestrial biome on Earth is the _________.
a- savanna
b- temperate grassland
c- northern coniferous forest
d- tropical forest
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