A Fast-Acting Hormone Produced by the Intermediate Lobe of the Pituitary

question 1

Multiple Choice

A fast-acting hormone produced by the intermediate lobe of the pituitary and that promotes dispersion of pigment in fishes,amphibians,and reptiles is

• A)pineal gland stimulating hormone (PGSH).
• B)vasotocin.
• C)melatonin.
• D)melanocyte-stimulating hormone (MSH).
• E)oxytocin.

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Definitions:

Nitrogen-Fixing Bacteria

Bacteria that convert atmospheric nitrogen into ammonia, a form accessible to plants for nutrition.

Essential Elements

Nutrients required for organisms to perform vital bodily functions and sustain life, which cannot be synthesized by the organism.

Cohesion-Tension Theory

A theory that explains the movement of water and nutrients from roots to leaves in plants through the cohesive and adhesive properties of water.

Mesophyll

The inner tissue of a leaf, containing chlorophyll where photosynthesis takes place, typically between the upper and lower epidermis.