PMI. The point of maximal impulse.
B. larger and more complex
Explanation: As the environment became more unpredictable, bigger brains helped our ancestors survive.
Answer:
B) Mutation
Explanation:
Mutation is a mistake in the Gene's I doesnt mean it's a bad thing or a good thing. It could be both
Answer:
presynaptic inhibition
Explanation:
Presynaptic inhibition is an inhibitory mechanism capable of modulating neurotransmitter release in the central nervous system (CNS), i.e., by suppressing the release of neurotransmitters from axon terminals. Endocannabinoids are neurotransmitters that bind to receptors in other cells, thereby indirectly affecting the activity of other neurotransmitters. Anandamide is a neurotransmitter derived from arachidonic acid -an omega-6 fatty acid-, whose effects are mediated by cannabinoid receptors in the CNS. This major endocannabinoid (anandamide) is thought to inhibit the release of the inhibitory neurotransmitter γ-aminobutyric acid (GABA).