Invasive species
A: are often transplanted by humans to new environments.
B: have the ability to exploit the resources in their environment to their benefit.
C: reproduce and grow rapidly.
D: all of the above.
A: are often transplanted by humans to new environments.
B: have the ability to exploit the resources in their environment to their benefit.
C: reproduce and grow rapidly.
D: all of the above.
举一反三
- Humans are the ultimate invasive species—when they move into new territory, they often displace the wildlife that was already living there. And as land is cleared for those new cities—especially in the dense tropical forests—carbon will be released into the atmosphere as well. (CET6-2014.12)
- Where do alien species come from and where to go? A: From their original habitats into another new environment B: From the new environment into their original habitats C: Being transplanted in their original habitats D: Being transplanted form a mountain slope to a field
- The short-lived, rapidly dispersed species are often called ______.
- Human civilizations often tend to be _____, putting “humans” and “human” values above all other concerns.
- Invasive species are defined as A: a species not native to an area that spreads and causes damage to the area B: species suited to stable environments that produce a few, relatively large offspring and provide parental care C: species suited to changing environments that produce many offspring and provide little or no parental care D: species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an ecological community’s structure