Jacob and Stephen Just Got a Project Back from Their

question 17

Multiple Choice

Jacob and Stephen just got a project back from their teacher that they had worked on together. They received a D on the project. Jacob said that it was because the project was too hard. Stephen said it was because they had not spent enough time on the project. Which adolescent is most likely to try harder on future projects?

• A) Stephen
• B) Jacob
• C) Both boys will try harder next time.
• D) Neither boy will try hard next time because they did so poorly this time.

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Definitions:

O Horizon

The topmost layer of soil, primarily composed of organic matter such as decomposed leaves, twigs, and other plant material.

Organic Litter

Decomposed or decomposing organic matter found on the surface of the soil, originating from dead plants and animals.

Casparian Strip

A waterproof barrier located in the cell walls of the endodermis of plant roots, controlling the flow of water and nutrients from the soil into the vascular system of the plant.

Endoderm

Innermost tissue layer of an animal embryo.