1. Alex, has challenged the belief that birds possess no potential for language or anything (verrattavissa oleva) to human (älykkyys).

2. We ofter overlook the wonders of . (luonnon monimuotoisuus)

3.Use (biohajoava) materials instead of plastic and buy organic.

4. No (yritys tai erehdys) no practising. The bird never attempted to fly off with its prize,

5. The EU (päästökauppa) system is a cornerstone of the EU's policy to combat (ilmastonmuutos).

7. WWF is committed to saving (uhanalaiset lajit).

8. (ylikansoittuminen) is caused by number of factors, such as reduced mortality rate, better medical facilities and depletion of precious resources.

9. Are (tuholaismyrkyt) a threat to ? (maatalous)

10. Vaqita, Amur leopard and western gorilla, among many, are about to (kuolla sukupuuttoon).