Roe deer, red foxes, and nightingales are all located in the ecosystem. a. taiga b. tundra c. desert d. chaparral

Roe deer, red foxes, and nightingales are all located in the TAIGA ecosystem.

Roe deer, red foxes, and nightingales are all located in the Taiga.

Explanation:

Taiga is the biggest terrestrial ecosystem and is situated just under the tundra regions. It is also called by the name coniferous forests. The winters here are very long and extremely cold while the summers are relatively very short and are also wet.

All the animals and bird that are mentioned in the question are best adapted to extremely cold temperatures. Many of these animals have to migrate to other areas during the winter times or even go into hibernation. Some birds that inhabit these areas can even change colours according to various seasons.

an angle + its complement = 90 degrees