Podcast
Questions and Answers
Why did the exotic gall-forming wasps from Asia attack the native coral trees in Hawaii?
Why did the exotic gall-forming wasps from Asia attack the native coral trees in Hawaii?
- Due to the high nitrogen content in the native coral trees. (correct)
- Because they were introduced to Hawaii from Asia.
- To create characteristic galls on the leaves for reproduction.
- To eliminate the cane and screwpine species present in Hawaii.
What factor largely influences herbivores to select plants and plant tissues with high nitrogen content?
What factor largely influences herbivores to select plants and plant tissues with high nitrogen content?
- The elemental proportions of nitrogen in plants and animals. (correct)
- The availability of sugar in plant tissues.
- The color of the plant leaves.
- The level of carbon dioxide in the atmosphere.
How does animal tissue compare to plant tissue in terms of nitrogen content?
How does animal tissue compare to plant tissue in terms of nitrogen content?
- Plant tissue contains no nitrogen.
- Plant tissue contains about 10 times more nitrogen than animal tissue.
- Animal tissue contains no nitrogen.
- Animal tissue contains about 10 times more nitrogen than plant tissue. (correct)
What are the potential effects of nutrient addition on insect herbivores?
What are the potential effects of nutrient addition on insect herbivores?
Why did goats introduced to Santa Catalina Island drive the local population of California sagebrush to extinction?
Why did goats introduced to Santa Catalina Island drive the local population of California sagebrush to extinction?
What happened within a year after the exotic gall-forming wasps from Asia appeared in Hawaii?
What happened within a year after the exotic gall-forming wasps from Asia appeared in Hawaii?
What have Indian elephants introduced to the Andaman Islands eliminated except in specific areas?
What have Indian elephants introduced to the Andaman Islands eliminated except in specific areas?
In what type of areas did cane and screwpine species manage to survive despite the presence of Indian elephants?
In what type of areas did cane and screwpine species manage to survive despite the presence of Indian elephants?
How did the exotic gall-forming wasps affect Hawaii's coral trees?
How did the exotic gall-forming wasps affect Hawaii's coral trees?
What is one reason why herbivores favor plants with high nitrogen content?
What is one reason why herbivores favor plants with high nitrogen content?
