Choose the correct answer.

Efforts to __________ endangered species involve breeding programs and habitat restoration.

Choose the correct answer.

They have _________ and returned to sea more than 700 baby sea turtles this month.

Choose the correct answer.

Polar bears are __________ to the effects of climate change, as the melting ice threatens their habitat.

Choose the correct answer.

Conservationists monitor the area of __________ to assess the conservation status of various species.

Choose the correct answer.

Held in _________ for many years, the lion suffered from considerable distress.

Choose the correct answer.

Some animal species have become _________ endangered due to habitat loss and illegal hunting.

Choose the correct answer.

Overexploitation can be a big _________ to fish populations.