Organisms with hard parts such as a shell,or bones are much more likely to become fossilized than animals with soft parts like a worms.
Answer:
Neuroscientists conducted research with taxicab drivers in London and found that taxicab drivers, who are required to have a tremendous amount of spatial and geographic knowledge, had a larger <u>hippocampus</u> than other drivers.
Option D.hippocampus
Explanation:
Hippocampus is concerned with following important functions:
- Storage of new information in the memory (converting short memories into long memories)
- Comparing sensory information with what the brain expects about the world
- Enabling us to form spatial memories for investigating the environment
As the geographic knowledge and spatial knowledge is being stored in the hippocampus, the taxi driver surely have greater hippocampus than other drivers.
Answer:
Sadie's continue use of marijuana will lead to her brain's reduction of the neurotransmitter anandamide which will require her to need more of the marijuana to achieve its effects.
Explanation:
The active ingredient of marijuana is tetrahydrocannabinol (THC)which is responsible for causing change in the brain.
This activates specific receptors called cannabinoid receptor.This receptors are found in limbic and cerebral cortex region and cerebellum.
As these receptors are located in the brain, the effect of these receptors are also wide spread.In healthy brain, these receptors are activated by a neurotransmitter called as anandamide that have pain relieving effect and also play important function in brain.When THC activates these receptors,causes interference of the normal function.
marijuana also boost another type of neurotransmitter called dopamine after taking the drug.
Answer:
All of life can be divided into three domains, based on the type of cell of the organism: Bacteria: cells do not contain a nucleus. Archaea: cells do not contain a nucleus; they have a different cell wall from bacteria. Eukarya: cells do contain a nucleus.
Explanation:
