What is biodiversity and why is it used to measure the health of a natural environment?
What will be an ideal response?
Answer: Biodiversity is the number of species present. High biodiversity means lots of species are present. Various biodiversities are naturally present by climate type. When biodiversity begins to decline in an area, it means that one of the environmental factors has changed, to the detriment of the species involved.
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Compared to the tropical sun bear, the polar bear has
A) a smaller body. B) a higher surface-area-to-volume ratio. C) a lower surface-area-to-volume ratio. D) none of the above
Which of the following is an example of an indirectly transmitted anthroponosis?
A) malaria B) HIV/AIDS C) avian flu D) Ebola E) Lyme disease
What type of metamorphic rock forms in large volumes associated with tectonic processes like mountain building or subduction zones?
A. contact metamorphic B. non-foliated metamorphic C. hydrothermal metamorphic D. foliated metamorphic E. regional metamorphic
Which of the following is a depositional feature of glaciers?
A)cirque B)arête C)horn D)roche moutonée E)end moraine