A Species with a 20% or Greater Probability of Extinction

Q21: Endemic species are in imminent danger of

Q23: Primary productivity in the oceans is lower

Q24: The area of suitable habitat necessary to

Q26: In terrestrial habitats,species richness is negatively correlated

Q32: Over the past 600 million years,the overall

Q39: Genetic models suggest that the size of

Q55: The species richness of terrestrial plants and

Q65: Briefly outline the evolution of vascular plants.

Q68: Which of the following would NOT be

Q75: As of 2011, COSEWIC has listed _