A Smooth Concave-Up Profile Suggests That a River

question 11

Multiple Choice

A smooth concave-up profile suggests that a river

• A) is flowing quickly.
• B) is flowing slowly.
• C) has many meanders due to changes in bedrock type.
• D) is well adjusted to its sediment load and discharge.

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Definitions:

Epidermis

The outermost layer of cells in the skin, serving as the body's protective cover against the environment.

Mesophyll

The inner tissue (parenchyma) of a leaf, containing many chloroplasts where photosynthesis occurs.

Chloroplasts

Organelles found in plant and algal cells that conduct photosynthesis, converting light energy into chemical energy.

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange and water loss by opening and closing stomata.