BIO 112 Chapter 39 Questions and Verified Answers/Accurate Solutions| Already Graded A+
An abiotic factor that can regulate plant distribution in grasslands is fire. This is because it can
cause primary succession.
kill competitive trees.
recharge aquifers.
form mycorrhizal associations. kill competitive trees
Select all of the following that are primary producers.
organisms that consume other organisms to obtain organic molecules
plants
organisms that use sunlight to build organic molecules
abiotic components of ecosystems
autotrophs plants
organisms that use sunlight to build organic molecules
autotrophs
Why does the northern hemisphere experience warmer temperatures in June?
The northern hemisphere is tilted toward the sun.
Day and night are equally long in the southern hemisphere.
The southern hemisphere is tilted toward the sun.
Day and night are equally long in the northern hemisphere. The northern hemisphere is
tilted toward the sun.
The producers in aquatic systems are primarily the
,zooplankton.
invertebrates.
small fish.
phytoplankton. phytoplankton
Why are there desserts at about 30 degrees North and South latitude?
Sinking air warms and picks up moisture from the land.
Rising air cools and picks up moisture from the land.
Air becomes less dense as it picks up water and rises.
Air becomes more dense as it rises and sheds its moisture. Sinking air warms and picks up
moisture from the land
Select the two major abiotic factors that determine the types of plants in different biomes.
dissolved oxygen and nutrient availability
temperature and moisture
fire and wind
salinity and air pressure temperature and moisture
What produces the major ocean currents?
distribution of nutrients in oceans
the tilt of the Earth on its axis
prevailing winds
elevation of continent coastlines
, Correct Answer prevailing winds
Biotic factors of ecosystems are those that are
living.
nonliving.
inorganic.
chemical elements. living.
The lack of rain on the downwind side of a mountain is a result of the
coriolis effect.
El Niño effect.
rain shadow effect.
spherical shape of Earth. rain shadow effect.
Select two key elements provided by soil in terrestrial ecosystems.
phosphorus
nitrogen
carbon
oxygen phosphorus
nitrogen
Due to ______, equatorial regions of Earth have warm temperatures year-round, and
nonequatorial regions experience lower temperatures, less light, and seasonal changes.
An abiotic factor that can regulate plant distribution in grasslands is fire. This is because it can
cause primary succession.
kill competitive trees.
recharge aquifers.
form mycorrhizal associations. kill competitive trees
Select all of the following that are primary producers.
organisms that consume other organisms to obtain organic molecules
plants
organisms that use sunlight to build organic molecules
abiotic components of ecosystems
autotrophs plants
organisms that use sunlight to build organic molecules
autotrophs
Why does the northern hemisphere experience warmer temperatures in June?
The northern hemisphere is tilted toward the sun.
Day and night are equally long in the southern hemisphere.
The southern hemisphere is tilted toward the sun.
Day and night are equally long in the northern hemisphere. The northern hemisphere is
tilted toward the sun.
The producers in aquatic systems are primarily the
,zooplankton.
invertebrates.
small fish.
phytoplankton. phytoplankton
Why are there desserts at about 30 degrees North and South latitude?
Sinking air warms and picks up moisture from the land.
Rising air cools and picks up moisture from the land.
Air becomes less dense as it picks up water and rises.
Air becomes more dense as it rises and sheds its moisture. Sinking air warms and picks up
moisture from the land
Select the two major abiotic factors that determine the types of plants in different biomes.
dissolved oxygen and nutrient availability
temperature and moisture
fire and wind
salinity and air pressure temperature and moisture
What produces the major ocean currents?
distribution of nutrients in oceans
the tilt of the Earth on its axis
prevailing winds
elevation of continent coastlines
, Correct Answer prevailing winds
Biotic factors of ecosystems are those that are
living.
nonliving.
inorganic.
chemical elements. living.
The lack of rain on the downwind side of a mountain is a result of the
coriolis effect.
El Niño effect.
rain shadow effect.
spherical shape of Earth. rain shadow effect.
Select two key elements provided by soil in terrestrial ecosystems.
phosphorus
nitrogen
carbon
oxygen phosphorus
nitrogen
Due to ______, equatorial regions of Earth have warm temperatures year-round, and
nonequatorial regions experience lower temperatures, less light, and seasonal changes.
