Oyster reefs are usually oriented at right angles to the currents in estuaries. How do you think this could be an advantage to the oysters living in this community?

What will be an ideal response?


The perpendicular arrangement of oyster reefs in estuaries provides the animals that comprise the reef with the greatest amount of exposure to tidal currents and river flow. This ensures that the animals will benefit from better access to food, nutrients, and oxygenated water and will enable the removal of a great amount of debris and silt that settles on the reef.

Biology & Microbiology

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Which of the following is derived from the ground tissue system?

A) root hair B) cuticle C) periderm D) pith E) phloem

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One of the basic principles of evolution is the concept of ____

a. genetic drift b. divergent physiology c. economic diversity d. a shared ancestor e. creationism

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Cordgrass (Spartina alterniflora) can be found in different forms, such as tall in the low marsh environment and short in the high marsh environment. This response to environmental conditions is an example of genotypic plasticity

Indicate whether the statement is true or false

Biology & Microbiology

__________ is the predominant photosynthetic product carried in phloem

a. Glucose b. Cellulose c. Sucrose d. Maltose e. Fructose

Biology & Microbiology