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.
Answer:
leafs have a green pigment called chlorophyll. chlorophyll is only present in the green parts of the plants .
Explanation:
Leaves are the primary organs that carry out photosynthesis. There are other plant parts also, which perform photosynthesis such as modified stem, roots, etc. E.g. assimilatory roots contain chlorophyll and perform photosynthesis
A DNA is made up 4 nucleotides bases The four ntd bases are ADININE, THYMYNE...
An important purpose of the Joint Chiefs of Staff is advising the Secretary of Defense.
Homeostasis is the balance within the body. Metabolism is the chemical process within a living organism to maintain life. So they both maintain balance.
