Conservationists debate whether keeping animals in __________ is ethical, even for conservation purposes.

Efforts to __________ coral reefs include limiting fishing and reducing pollution in marine areas.

After months of treatment, the injured bird was strong enough to be __________ back into the wild.

The team installed cameras to __________ the behavior of nocturnal animals in the reserve.

Amphibians are highly __________ to changes in water quality and temperature due to their sensitive skin.

Introducing invasive species into a new environment can jeopardize the balance of native ecosystems.

The government launched a project to revive forests that were destroyed by illegal logging.

The population of sea turtles will not increase __________ their nesting areas are protected.

__________ the poachers are caught, they might face a fine and imprisonment for killing protected rhinos.

If elephants __________ wings, they would be able to fly over the savanna.

Fewer animals can survive in fragmented forests __________ in large, connected ecosystems.

Sea otters are not __________ before pollution damaged their habitats.

__________, the bird might abandon its nest.

If farmers used less pesticide on their crops, more bees and butterflies will thrive in this area.

Elephants will remain targets for hunters unless people do not stop buying products made from ivory.

Climate change poses many risks to polar bears than to other Arctic animals, as their hunting grounds depend entirely on the availability of sea ice.

Unlike wild animals that learn survival skills in nature, animals born in captivity may struggle if releasing into the wild.

Unless / we / stop / poach, / conservation efforts / fail / save / endangered species.

People / be / aware / wildlife protection / they / be / generation / ago.

One of / main threats / wildlife / be / habitat destruction / cause / human activities.