Answer:
Peas exhibit a variety of contrasting traits (purple vs. white flowers; round vs. wrinkled seeds). The shape of the pea flower protected it from foreign pollen.
Explanation:
The correct answer is B !! Both are interdependent thus forming a mutualistic association !!
As both can not live without each other thus making obligate !!
so They share obligate mutual association !! Go with B !!
Which of the following amino acids can function as a neurotransmitter in the CNS?
1. Glutamic Acid it's because the vital inhibitory neurotransmitter in the CNS.
2. Huntington’s chorea has been linked with a deficiency in the amino acid ______.
Gaba because its the chief inhibitory neurotransmitter in the mammalian central nervous system.
3. Which of the following is not considered a monoamine?
Adenosine this has nothing to do with neurotransmitters that's linked to the heart.
Answer:
The color of the birdfeeders
Explanation:
Independent variable is the variable in the experiment that is changed, so the only thing changed in this experiment is the colors of the bird feeders