Answer:
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.
Explanation:
you can put a needle through it and it won't break.
Abiotic factors
Abiotic factors are the physical and chemical conditions of an environment. For example : heat, salinity, pressure, light, wind, pH ...
Biotic factors
Biotic factors are all the biological conditions of an environment for a specie/taxa. It can include prey and predator abundance, available food amount, available space, intra and interspecific competition...
The development of organims is under the control of abiotic factors. Some are adapted to heat, cold etc ... The abiotic factors will define which organisms are able or not to live in a specified place.
The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment.
The habitats of animals will be destroyed no matter what kind of pollution. They can br harmed by curtain objects in pollution for example sea polution with the fish and plastic. Also some anims may die and the ecosystem and/or foodchain will break down which creates a increase and decrease in animals. I could go on for hours. Just let me know exactly what you want to know and I will see if I know. Good luck.
