I think its A because the small size , shape and the methods of movement have nothing to do with the environments it can survive in <span />
Answer:
substantia nigra
Explanation:
The Limbic system is a complex set of brain structures that can be seen on both sides of the thalamus. It supports a variety of functions including emotion, behavioral activities,motivation, memory e.t.c. It composition entails the hypothalamus, the hippocampus and the amygdala.
The hypothalamus which is located below the thalamus (i.e hypo means "under") helps to regulates thirst, body temperature, and sexual behavior, and helps maintain a steady (homeostatic) internal state of the body of an organism.
Hippocampus is the centre of memory.
Amygdala (an almond-shape set of neurons) play a key role in the processing of emotions.
On the other hand, The substantia nigra is a basal ganglia structure that can be seen in the midbrain. The substantia nigra plays a vital role in reward and movement. This area of the brain sends signals down the spinal cord to control the muscles of the body.
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
The heads of phospholipids are hydrophilic while the tails are hydrophobic
Benthic organisms are those that dwell on the bottom of the sea or on the ocean floor. These include sponges, lobsters, crabs, clams, worms, etc. From the given choices, only the tuna will not qualify being benthic. Thus, the answer is letter D.