The Body Temperature of ________ Varies Directly with the Environment

question 18

Multiple Choice

The body temperature of ________ varies directly with the environment.

• A) homeotherms
• B) poikilotherms
• C) psychrotherms
• D) envirotherms
• E) microtherms

---

Definitions:

PhLi

Phenyllithium, a strong organolithium reagent used in the formation of carbon-carbon bonds in organic synthesis.

NaBH

Likely refers to a sodium borohydride compound, NaBH4, used as a reducing agent in organic chemistry.

MgBr

Likely a shorthand for a magnesium bromide compound, which can act as a Grignard reagent in organic synthesis.

Major Organic Product

The primary product formed in an organic chemical reaction that is favored under the reaction conditions, typically in greater yield compared to side products.