The ________ are tooth-like phosphatic fossils that are excellent index fossils for the

Ordovician. Fill in the blank(s) with the appropriate word(s).


conodonts

Environmental & Atmospheric Sciences

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Fish adapted to cool, dark waters in lakes are found in the ____.

A. limnetic zone B. benthic zone C. littoral zone D. profundal zone E. abyssal zone

Environmental & Atmospheric Sciences

Describe the patterns in grain trade between different world regions over the last 70 years. How does the food crisis of 2006–2008 and food shortages of 2010–2011 relate to these patterns?

What will be an ideal response?

Environmental & Atmospheric Sciences

A negative feedback mechanism works to enhance a change in the environment.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

What occurs at midocean ridges?

A) Oceanic crust is destroyed. B) Continental crust is destroyed. C) Oceanic crust is created. D) Continental crust is created. E) All crust is destroyed by magma.

Environmental & Atmospheric Sciences