What type of succession does this passage describe?
Which species is the pioneer species?
Decreased diversity can lead to increased susceptibility to disease:
The Eastern gemfish population has declined due to commercial fishing. New protection efforts seem to be helping the population slowly recover:
The golden toad was forced from its breeding sites when erratic weather caused pools to dry up. No frogs have been found in over two decades:
Every organism in an ecosystem relies on other species for survival:
The Tasmanian tiger, the largest known carnivorous marsupial, was wiped out of the wild due to constant hunting:
In coastal areas, wind moves sand, blowing away or engulfing the soil, and eventually creating sand dunes:
Reduced options for mates can lead to inbreeding:
The Amur leopard is now gone from most of its original habitat due to human activity. Only twenty to thirty Amur leopards remain in the wild:
The introduction of livestock to an area leads to over-grazing that removes native grasses:
Western Lowland gorilla populations have dropped sixty percent in the past twenty-five years due to poaching, habitat loss, and, mainly, disease. Their numbers are expected to keep dropping, and the species could soon disappear:
A forest is cleared to gather lumber used for building houses:
A lava flow down the side of a volcano destroys all vegetation and eventually turns into volcanic rock when it cools and hardens:
The loss of a producer could result in the loss of consumers:
When a population becomes small, diversity is lost:
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