Which ecosystem is most resilient to change due to its high diversity?(1 point)
Responses
mountain meadow
mountain meadow
Amazon rainforest
Amazon rainforest
arctic tundra
arctic tundra
stormwater pond
Use the image below to answer the question.
The plants are eaten by consumers at the first level, such as a mouse, grasshopper, whiptail, frog, squirrel, and deer. The consumers at the second level, such as ringtail, eagle, and pine marten eat the consumers at the first level. The consumers at the third level, such as wolf, mountain lion, and bobcat eat the consumers at the second level. Some of the consumers at the first level are also eaten by consumers at the third level.
Of the predators in the image, which one is most likely a keystone species?
(1 point)
Responses
pine marten
pine marten
ringtail
ringtail
mountain lion
mountain lion
frog
frog
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page 18 of 18
Which type of diversity is hardest to measure precisely?(1 point)
Responses
genetic diversity
genetic diversity
biodiversity
biodiversity
ecosystem diversity
ecosystem diversity
species diversity
Which ecosystem likely has the lowest species diversity?(1 point)
Responses
desert
desert
tropical rainforest
tropical rainforest
grassland
grassland
coral reef