Choose all incorrect statement. In 2021, 23 species were declared extinct. Most of these have been presumed to be extinct for decades. Eight of the declared extinctions were bird species endemic to the Hawaiian Islands. One species declared extinct was the Molokai creeper (pictured). Main causes of their extinction include loss of suitable habitat, disease, and predation by introduced mongooses and rats. Avian malaria is transmitted between bird species in Hawaii by mosquitoes that were brought to the islands by ships many decades ago. Which of the following statements is NOT accurate? a.Avian malaria is a vector-borne disease; if it infects 90% of the birds regardless of bird population size, it is acting as a density-independent factor. b.Among vertebrates, bird population sizes have declined the most compared to any other vertebrate group. c.Eliminating invasive rats and mongooses from the Hawaiian Islands, like goats were eliminated from the Galapagos, could help prevent further extinctions of native species. d.Prior to their extinction, predation by rats and mongoose may have regulated bird populations at an equilibrium less than K. e.Even though the Molokai creeper is extinct, restoring its habitat would very likely help to preserve other species. f.Immediately before its extinction, ƛ (lambda) for the Molokai creeper was less than 1.
Choose all incorrect statement.
In 2021, 23 species were declared extinct. Most of these have been presumed to be extinct for decades. Eight of the declared extinctions were bird species endemic to the Hawaiian Islands. One species declared extinct was the Molokai creeper (pictured). Main causes of their extinction include loss of suitable habitat, disease, and predation by introduced mongooses and rats. Avian malaria is transmitted between bird species in Hawaii by mosquitoes that were brought to the islands by ships many decades ago.
Which of the following statements is NOT accurate?
a.Avian malaria is a vector-borne disease; if it infects 90% of the birds regardless of bird
b.Among vertebrates, bird population sizes have declined the most compared to any other vertebrate group.
c.Eliminating invasive rats and mongooses from the Hawaiian Islands, like goats were eliminated from the Galapagos, could help prevent further extinctions of native species.
d.Prior to their extinction, predation by rats and mongoose may have regulated bird populations at an equilibrium less than K.
e.Even though the Molokai creeper is extinct, restoring its habitat would very likely help to preserve other species.
f.Immediately before its extinction, ƛ (lambda) for the Molokai creeper was less than 1.
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