In some cases of head injuries, the cerebrum may be affected. this type of injury could cause a loss of and impaired

...loss of memory and impaired judgement

Explanation:

The cerebrum is the part of the brain that controls mental functioning such as thinking, reasoning and memory.

Loss of memory and impaired judgement.

Explanation:

Cerebrum is the largest part of the brain, containing the cerebral cortex. Its also the uppermost part of the central nervous system. It contains cerebrospinal fluid, which prevents shocks. Cerebrum is responsible for the controlling of involuntary actions like memory loss, thinking, vision, hearing, emotions, learning and control of movement etc.

we would need to see the picture to answer it

genetic variation will increase because of a new habitat and food source.

explanation: