Explain why it is difficult to give an accurate count of the number of species that go extinct each year
What will be an ideal response?
This is difficult because many species go extinct every year without us ever knowing they existed. Furthermore, extrapolating from small scales to large scales can introduce inaccuracies, and estimating species loss from extinction rate and number of species is inaccurate because neither extinction rate nor the number of species is well constrained.
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One of the main problems associated with mining is water pollution.
Answer the following statement true (T) or false (F)
What conditions are necessary for the formation of sand dunes?
What will be an ideal response?
How many ketones have the molecular formula C5H10O?
A) 1 B) 2 C) 3 D) 4
Which of the following best matches the description?Animal that eats plants.
A. intraspecific competition B. nitrogen cycle C. nitrogen-fixing bacteria D. limiting factor E. community F. denitrifying bacteria G. herbivore H. carbon cycle I. omnivore J. habitat K. producer L. biomass M. ectoparasite N. interspecific competition O. secondary consumer P. trophic level