___________1. Variety of species and abundance of species
___________2. Refers to the heterogeneity present in the world or a habitat,
ranging from macromolecules within the cells to biomes
___________3. Plant or animal that exist in small numbers
___________4. It is the loss of species
___________5. Species in danger of extinction
___________6. Number of different species present in an ecosystem
___________7. Relative abundance of individuals of each of those species
___________8. Refers to the role of that a species play in its ecosystem
___________9. They serve as biological smoke alarms
__________10. The world’s largest coral reef
__________11. Also known as the four major causes of loss of diversity
__________12. The process during which a large expanse of habitat is
transformed into a number of smaller patches of smaller
total area
__________13. Species that are introduced accidentally or intentionally
__________14. Also called overharvesting
__________15. They have broad niches