48. Ecology

In aquatic biomes, rapidly changing salinity with depth is called the ________.

Which statement reflects why most simple multicellular organisms are found in aquatic environments?

In which ocean zone do you find ecosystems that are abundant with plants and/or seaweeds?

Which organism must live in the photic zone of the ocean biome to perform photosynthesis?

Which area of the ocean is typically richest in nutrients?

Which of the following aquatic biomes contain a limnetic zone surrounded by a littoral zone?

Which of the following adaptations is most commonly found in organisms living in the abyssal zone of the pelagic environment?

Insects are most likely found in which aquatic zone?

Which of the following correctly describes a major difference between freshwater and marine ecosystems?

Which of the following organisms would most likely be found at the base of an aquatic food pyramid?

Which zone of a large lake is characterized as the deepest, coldest area with little light penetration and limited biodiversity?

Which of these aquatic biomes is one of the most productive of all biomes?

In aquatic environments, the photic zone is typically about how deep?

In the context of aquatic biomes, what extreme conditions must tide pool organisms be able to withstand?

Which of the following best distinguishes ponds, lakes, and stream pools in terms of their physical and ecological characteristics?