Figure 54.4 -After Looking at the Experiment in the Figure Above,what Can

question 36

Multiple Choice

Figure 54.4
-After looking at the experiment in the figure above,what can be said about productivity in marine ecosystems?

• A)Nothing can be said based on this information.
• B)Marine organisms break down iron for energy and thus for productivity.
• C)Iron can be a limiting nutrient in productivity.
• D)Productivity increases when chlorophyll a is added.

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Definitions:

Vaginal Secretions

Fluids produced by glands inside the vagina, playing a key role in lubrication and the protection from infection.

Mucous Membranes

These are the moist linings of the body's cavities that are open to the external environment, such as those in the mouth, nose, throat, and genital area, responsible for producing mucus.

Graafian Follicle

A mature ovarian follicle that releases an egg during ovulation, named after the Dutch anatomist Regnier de Graaf.

Oocyte

A female germ cell involved in reproduction, also known as an egg cell, which can potentially develop into an embryo when fertilized.