The orangutan species are now considered …………….., mostly due to habitat loss for production of palm oil and other agricultural products.
surveyed
endangered
counted
limited
Meanwhile, efforts ……………….. the orangutans that remain suffered some setbacks this year.
to protect
to pollute
to purchase
to defend
The country's government is planning ……………… the entire forest and convert the land into oil palm plantations.
to destroy
to throw
to harm
to recycle
In such a scenario the biodiversity will be wiped out, leading to the rapid extinction of all the unique animal ………………… inhabiting the ecosystem.
livestock
flocks
herds
species
Sea otters were once numbered in thousands before the fur trade and other factors ……………… their numbers to about 50 in 1914.
reused
reduced
produced
protected
Algae is often ……………… a nuisance, but for Sweden, the rapidly growing sea plant in now an asset; they're using algae to stop up the carbon emissions from cement.
considered
lost
brought
hunted
Concervationists argued that the bridges construction would tear apart ………… for endangered elephants, primates and birds.
home
habitat
dwelling
area
The disappearance of species isn't just a concern for the plants and animals in danger. It's also a worrying symptom of the ……………. of ecosystems that we rely on for everything from absorbing greenhouse gases to filtering drinking water.
deforestation
application
degradation
population
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