1. An organism that others may depend on for survival is called a(n):
a. Keystone species
b. Interdependent species
c. Diverse species
d. Vulnerable species
2. Coral reefs are essential for the survival of other organisms. They provide:
a. Microhabitats
b. Shelter
c. Breeding grounds
d. All of the above
3. The tapir and agouti are ______ found in the Amazon Rainforest.
a. Carnivores
b. Omnivores
c. Herbivores
d. Decomposers
4. What may cause a species to become less genetically diverse?
a. Isolation from members of its species
b. Low population numbers
c. Both A and B
d. None of the above
5. Ecosystem diversity, species diversity, genetic diversity all intertwine to create ______.
a. Vulnerability
b. Biodiversity
c. Interdependence
d. Recycling
6. Humans have cut and frayed the woven tapestry of Earth’s biodiversity. List and describe three ways.