Question 1
1. Multi-male groups are formed by several animals, including common baboons, hyenas and lions. A number of males and females in these groups breed, although there may be a hierarchy in both sexes to determine which animals breed most often, and when they do so.
Some lions in a group may have greater breeding rights than others.
Question 2
2. After their parents’ initial rearing, the baby penguins join groups of their contemporaries in communal nurseries, usually presided over by a few adults.
There are more penguin nurseries when food is scarce.
Question 3
3. Many animals patrol the boundaries of their territories regularly and attack any intruder, using various signals to indicate their possession of a territory.
Most animals use a vocal signal to warn others away from their territories.
Question 4
4. The energy it obtains from the flowers just exceeds that used in the process of feeding and in defending the territory, so the golden-winged sunbird makes a small net gain.
The feeding habit of the golden-winged sunbird is an example of the benefits outweighing the cost.
Question 5
5. Faced with the depletion of fossil fuels and concern over climate change, governments are pumping more money into exploring the sea’s potential.
Governments are cutting their investment in sea power projects.
Score: 0/5 | Accuracy: 0%