B. larger and more complex
Explanation: As the environment became more unpredictable, bigger brains helped our ancestors survive.
Answer:
Optic Chiasm
Explanation:
Optic nerves travel through the optic chiasm to ensure that visual signals go to each hemisphere of the brain.
Answer: By the help of the fluid delivered from the pancreas.
Explanation:
The human body is a very complex system consisting of many organ and organ system.
One of those systems is the the digestive system. By the help of this system the digestion and absorption of food takes place.
There are numerous number of enzymes involved in the digestion of the food released by various organs. The pancreatic and intestinal enzymes are secreted that work at alkaline pH, but the chyme that is secreted from the deodenum is slightly acidic yet they work together.
This is because pancreas pour enzyme into small intestine which is alkaline and it then secretes huge amount of sodium bicarbonate which neutralizes the acidity of the stomach and makes the pH optimum for the digestion of food.
The answer is C Heterozygous
Explanation: the inability to roll your tongue is a recessive trait. Since both parents are heterozygous, they carry that recessive gene, so their child will have a 25% chance of having that recessive trait; and therefore, unable to roll their tongue.
The absence of apoptosis which is known as cell death. Additionally. there is an excessive production of cells through cell cycle.
The cell cycle is process by which a cell produces a new similar daughter cell. it composes of two main phases These are called the interphase and m-phase. The interphase has three key stages which are gap 1, s phase and gap 2. And the M-phase is where the cell itself divides with an equal number of chromosomes.