Answer:
Option 1 and 2 are correct
Explanation:
In a given ecosystem rabbits serve as prey for several predators. The growth of predator population is depended on the population of rabbits. The higher the population of prey, the higher is the population of predator.
Thus, if the population of rabbit is decreasing, then the population of predator such as hawks will decrease.
Since the rabbits eat grasses and shrubs, thus in their absence the productivity of grasses and shrubs will also increase.
Option 1 and 2 are correct
Plant: The cell wall is made up of cellulose, they have vascular tissues, they are autrophic.
Fungi: The cell is made up of chitin and glucans, they lack chlorophyll,they are heterotrophic
Answer:C
Explanation:The answer is c because the loss of an island does not add or decrease erosion while all the others do
Answer: D). Most rocks are a mixture of minerals
Rocks are the natural substances these are the aggregate of one or more number of minerals. These minerals are responsible for chemical and physical nature of rocks. These are responsible for type of particles, texture of particles and overall rock structure. Example of rock having mineral aggregate is granite which is a combination of minerals like quartz, biotite and feldspar.
