Which of the following ecosystems is dependent on fire?
A). a deciduous forest in North Carolina
B). a tallgrass prairie in Oklahoma
C). the driest regions in the Great Basin desert in western and southern Utah
D). a community located on rocky moraines left by retreating glaciers
Garlic mustard is a cool-season edible herb brought to North America by European settlers in the 1800s. It has no significant natural enemies in North America. It spreads rapidly. When established, garlic mustard becomes a permanent member of the community, often dominating the ground layer habitat. What term describes garlic mustard in the United States?
A). invasive species
B).keystone species
C).pioneer species
D). biological control
A). a deciduous forest in North Carolina
B). a tallgrass prairie in Oklahoma
C). the driest regions in the Great Basin desert in western and southern Utah
D). a community located on rocky moraines left by retreating glaciers
Garlic mustard is a cool-season edible herb brought to North America by European settlers in the 1800s. It has no significant natural enemies in North America. It spreads rapidly. When established, garlic mustard becomes a permanent member of the community, often dominating the ground layer habitat. What term describes garlic mustard in the United States?
A). invasive species
B).keystone species
C).pioneer species
D). biological control
-
1)B
2)A
2)A