A true coelom develops within the ectoderm

____________________ Indicate whether the statement is true or false.


F, mesoderm

Biology & Microbiology

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The immediate causes of behaviors, such as genetic and physiological mechanisms are called __________ causes.

A. proximate B. ultimate C. internal D. physiochemical E. internal and physiochemical

Biology & Microbiology

Your professor asks you to explain the difference between a tendon and a ligament. How do you answer?  

A.  Tendons secure muscles to other muscles and ligaments secure bones to other bones. B.  Tendons and ligaments have the same function but are found in different areas of the body. C.  Tendons secure muscles to bones and ligaments secure muscles to other muscles. D.  Tendons are just enlarged ligaments. E.  Tendons secure muscles to bones and ligaments secure bones to other bones.  

Biology & Microbiology

Large molecules that are formed by combining smaller molecules and are biologically significant are referred to as what?

a. DNA b. macromolecules c. monomers d. polymers

Biology & Microbiology

Gene flow

A) can spread certain alleles throughout a species. B) negates the influence of evolution on a population. C) isolates populations from one another. D) limits evolutionary fitness. E) prevents migration of individuals into other populations.

Biology & Microbiology