Which of These End Products of Digestion Is NOT Absorbed

question 5

Multiple Choice

Which of these end products of digestion is NOT absorbed by the lacteals in the villi?

• A)sodium ions
• B)fatty acids and glycerol
• C)vitamin E
• D)vitamin A

Understand the fundamentals of biogeochemical cycles and their significance in ecosystems.

Recognize the various components and processes involved in energy transfer within food webs and ecological pyramids.

Identify the roles and limitations of producers, consumers, and decomposers in ecosystems.

Understand the impact of human activities on ecosystems and the importance of maintaining biodiversity for ecological balance.

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Definitions:

Trophic Level

The position an organism occupies in a food chain, defined by the number of steps it is from the primary source of energy (usually the sun); it indicates the organism's role in the transfer of energy and nutrients through an ecosystem.

Water Vapour

The gaseous phase of water, which is invisible and present in the atmosphere, contributing significantly to the greenhouse effect.

Earth Layers

The division of Earth's interior into distinct layers, including the crust, mantle, outer core, and inner core, each with unique physical and chemical properties.

Producers

Organisms in an ecosystem that produce biomass from inorganic compounds, usually through photosynthesis, forming the base of the food web.