it is an organ. the main organ in the body. I wish your question was a little more clear, like multiple choice would be very helpful to what my choices are.
The correct answers are as follows:
1. A.
There are basically two types of succession, they are primary and secondary succession. Primary succession refers to the type of succession that occurs in new and bare areas where the soil present is unable to sustain the growth of plants. An example of primary succession area is an area with sand dunes that is freshly formed. Primary succession usually occur over a long period of time. Secondary succession is a type of succession that occur on a land which was disturbed by hazardous events such as fire outbreak, flood, etc. Secondary succession occurs much faster than the primary succession.
2. D
There are two types of factors that affect any particular ecosystem, these are abiotic and biotic factors. The abiotic factors refers to non living factors such as temperature, relative humidity, rainfall, etc. while the biotic factors refer to the living factors. Looking at the options given above, one will see that only option D has living factor, which is predators. All other options have abiotic factors.
It's either the tradeoffs between conservation and economic development or the potential benefit to farmers.
Answer:
The quality of discipline and emotional ties with parents.
Explanation:
Their findings further suggested that adolescent raised in a large, single parent family of limited economics means and educational achievement were vulnerable to delinquency. The Gluecks' research integrated biological, social and psychological elements; and suggested that the initiation and continuity of a criminal career was due to developmental process influenced by both internal and external situations, conditions and circumstances.