Question 1 - 10
Write ONE WORD ONLY for each answer.
Effects of urban environments on animals
Introduction Recent urban development represents a major environmental shift. Only a few species were once considered suited to city life:
- the , because it can adjust to many conditions
- the pigeon, because city walls resemble natural
Many urban animals are actually adapting at unusual .
Recent research Emilie Snell-Rood studied museum specimens of small urban mammals in Minnesota.
- The size of their had increased.
- This may reflect the need to find new sources of and respond to unfamiliar dangers.
Catarina Miranda studied the of urban and rural blackbirds.
- City birds were often brave, but remained cautious when situations were .
Jonathan Atwell examined how animals react to city surroundings.
- Some animals respond to by producing lower hormone levels.
Sarah Partan’s team studied squirrel communication.
- Urban squirrels use their as a visual signal.
Long-term possibilities
Animals unique to cities may eventually develop, although some changes may not be .
Giải thích chi tiết theo Linear
LINEARTHINKING
Đăng nhập để xem giải thích chi tiết