In a Grassland of Kansas, 1,000 Grams of Grass Are

question 33

Multiple Choice

In a grassland of Kansas, 1,000 grams of grass are produced per square meter per year by all the different grass species. A theoretical upper limit to the biomass of secondary consumers that can be supported in this ecosystem is

• A) 10 grams.
• B) 0.1 gram.
• C) 1,000 grams.
• D) 100 grams.
• E) 1 gram.

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Definitions:

Placenta

A temporary organ that develops in female mammals during pregnancy, connecting the fetus to the uterine wall for nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.

Fetus

A developing mammal or human from the end of the embryonic period (usually two months after conception) until birth.

Three-Mountain Task

A cognitive development test designed to examine a child's ability to understand different perspectives and viewpoints.

Jean Piaget

A Swiss psychologist known for his pioneering work in child development, especially his theory of cognitive development that describes how children's minds develop and change as they grow.