Detritus is organic matter produced by the decomposition of dead organisms. Considering that detritus tends to sink in water over time, in which ocean zone does detritus make up the base of the food chain?

Earth’s largest rain shadow occurs in south Asia, where northward-directed winds encounter the Himalayan mountains. Which of the following statements about this rain shadow is correct?

Deforestation contributes to climate change because fewer trees mean that _________ CO₂ is removed from the atmosphere, and less _______________ is absorbed, causing a hotter environment.

Photosynthetic organisms in aquatic biomes tend to live near the surface, as there is more light availability. Is this constraint of light availability a physical or chemical factor?

In which of the following regions would you expect to find photosynthetic organisms?

How do the processes of turnover & upwelling benefit aquatic ecosystems?

The amount of solar energy & heat delivered to different latitudes on Earth is ultimately determined by:

Which method would be the most accurate way to find out the direction of prevailing winds?

Land’s End in the southwest of England & Newfoundland in eastern Canada are both at similar latitudes, yet Newfoundland experiences significantly colder winters. Which of the following is likely the most accurate explanation for this phenomenon?