12A2-Unit 8 (Ôn tập 1)

to watch and check something carefully over a period of time

• threatened species

• critically endangered species

• monitor

• release

plants and animals that are in danger of disappearing

• threatened species

• critically endangered species

• monitor

• release

to let someone go free after having kept them somewhere

• threatened species

• critically endangered species

• monitor

• release

plants and animals that are likely to become endangered in the near future

• threatened species

• critically endangered species

• monitor

• release

to continue to live or exist, usually despite difficulty or danger

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)

the situation in which a person or animal is kept somewhere and is not allowed to leave

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)

to protect the natural environment

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)

when a particular type of plant or animal stops existing

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)

not common or frequent; very unusual

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)

Wild animals need to live in their natural habitats in order to _________.

• extinct (a)

• survive (v)

• captivity (n)

• conserve (v)

• rare (a)