Multiple Choice
In general,biodiversity is_____________ .
A) 75% plant species and 25% animal species
B) fairly evenly spread among all of the major groups of animals and plants
C) declining in the United States and around the world
D) accurately quantified for most ecosystems
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Extinction is_ .<br>A)the loss of communities from
Q8: Species richness is affected by many variables.As
Q9: _have greater species richness than_ .<br>A)Deserts;tropical rainforests<br>B)Tropical
Q10: The five major factors contributing to extinction
Q11: Genes are located on molecules called_ .<br>A)nuclei<br>B)deoxyribonucleic
Q13: A small flock of birds becomes stranded
Q14: The greatest threat to global biodiversity is
Q15: Explain why today's estimate of the number
Q16: In North America,many kinds of birds have
Q17: Endemic species are_ .<br>A)well established and show