What is true about an adaptation? A. It harms the organisms.
B. It is a learned trait.
C. It prevents reproduction.
D. An organism is born with it.
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Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

Which type of stimulus do mechanoreceptors detect? sound pain heat light