The main instrumental value of biological diversity is the
A) ability of organisms to adapt to fluctuations in their natural environments.
B) ability of natural ecosystems to respond to natural disasters.
C) joy that humans gain from their beauty in nature.
D) potential for new types of animals and plants that can be used by humans.
Question 2
The greatest potential for developing entirely new types of agricultural crops depends upon
A) bioengineering new combinations of wheat and rice.
B) grafting together different plants into one new type of plant, such as a plant with tomatoes and sweet potato roots.
C) thousands of plant species that occur only in the wild.
D) our ability to identify and culture new types of animal pollinators.
An example showing a modification that has occurred as a result of biological evolution
The hierarchy of biological classification's eight major taxonomic ranks.
Example of Index entry with Main Term and indented subterms.
A step stool can be used to assess the ability to use steps.
Ethnic and Religious Diversity
Main arteries of the arm