7 A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.
Northern Forest Ecosystem
• Insect larvae feed on white spruces. .
• Shrews and snowshoe hares are prey for lynx, red-tailed hawks, and red foxes
• Snowshoe hares eat both willows and white spruces.
Shrews eat insect larvae.
• Red foxes sometimes est insect larvae.
Which food web best represents the flow of energy in these feeding relationships?
Red foxes
Red-tailed hawks
Red foxes
Lynx
LyrShrews
Red-tailed hawks
Shrews
C
Insect larvae,
Snowshoe hares
Insect larvae
Snowshoe hares
Willows
White spruces
Willows
white spruces
Red-tailed hawks
Red-tailed hawks
Red foxes
Shrews
Lynx-Shrews
7
Snowshoe hares
Insect larvae
B
D
Insect larve
Red foxes
Snowshoe hares
Lynx
1
Willows
1
White spruces
Willows
White spruces