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Level 9

The Natural World


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burrow
a hole or tunnel in the ground made by animals such as rabbits for them to live in
den
a room in a house where people go to relax, watch television, etc. | the hidden home of some types of wild animals | a place where people meet in secret, especially for some illegal or immoral activity
the lion's den
a difficult situation in which you have to face a person or people who are unfriendly or aggressive toward you
ecological balance
a term describing how ecosystems are organized in a state of stability where species coexist with other species and with their environment.
fauna
all the animals living in an area or in a particular period of history
flora
the plants of a particular area, type of environment, or period of time
habitat
the place where a particular type of animal or plant is normally found
pesticide
a chemical used for killing pests, especially insects
herbicide
a chemical that is poisonous to plants, used to kill plants that are growing where they are not wanted
prey
an animal, a bird, etc. that is hunted, killed, and eaten by another
repercussion
an indirect and usually bad result of an action or event, which may happen some time afterward
vegetation
plants in general, especially the plants that are found in a particular area or environment
vermin
wild animals or birds that destroy plants or food, or attack farm animals and birds
arid
(of land or a climate) having little or no rain; very dry | with nothing new or interesting in it
catastrophe
a sudden event that causes many people to suffer | an event that causes one person or a group of people personal suffering, or that makes difficulties
catastrophic
involving or causing sudden great damage or suffering | extremely unfortunate or unsuccessful
disastrous
very bad, harmful, or unsuccessful
domesticate
to make a wild animal used to living with or working for humans
resistant
not affected by something; able to resist something | opposing something and trying to stop it from happening
semi-arid
(of land or climate) dry; with little rain
vulnerable
weak and easily hurt physically or emotionally
adapt
to change something in order to make it suitable for a new use or situation | to change your behavior in order to deal more successfully with a new situation
eradicate
to destroy or get rid of something completely, especially something bad
hibernate
(of animals) to spend the winter in a state like deep sleep
tolerate
to allow someone to do something that you do not agree with or like | to accept someone or something that is annoying, unpleasant, etc. without complaining | to be able to be affected by a drug, difficult conditions, etc. without being harmed