3.) Testing multiple variables.
Answer:
A blog cited as a source
Explanation:
Blogs often contain opinions rather than facts
The incorrect among the choices is "<span>direct signaling involves the activation of g proteins"
This is incorrect because direct signaling does not involve the activation of g proteins rather it involves the activation of ion channels resulting to either an excitation reaction (depolarization of the membrane) or an inhibition reaction (hyperpolarization of the membrane); and this will ultimately affect the action of the organ the nerve is innervating.</span>
Answer:
These birds with large beaks were better able to utilize the large seeds.(B)
Explanation:
