The birds sang to warn other birds off their ____.
A: land
B: region
C: habitat
D: territory
A: land
B: region
C: habitat
D: territory
举一反三
- By cutting down trees we _______ the natural habitat of birds and animals. A: damage B: injure C: hurt D: wound
- By cutting down trees we ______ the natural habitat of birds and animals. A: damage B: injure C: hurt D: harm
- Once again, the birds reoriented themselves to the northwest — ______ the magnetic field alone — regardless of smells or other cues, is enough to alter the birds’ mental map. The study is in the journal Current Biology.
- By "his outdoor cousins" the author means ______. A: other experimenters B: the other doves of the same brood C: doves under the natural sky D: other birds in general
- In Chapter IV, the author would like to give you information about ______. A: how to attract birds B: seasonal flights of birds C: language of birds