Answer:
The answer is A.
Explanation:
When excess of fertilizer is added to the pond, the population of organisms in the pond will decrease due to the lacking of oxygen.
(Correct me if I am wrong)
Answer: spotted hyenas
explanation: their main competition is spotted hyenas that often go for the same prey as lions. these animals will fight and steal each other's food. this warfare goes beyond food; it is also the problem of territorial boundaries being crossed
Answer:
The brain cells and skin cells both contain DNA molecules, and their DNA molecules contain the same genetic information. The brain cells and skin cells both contain DNA molecules, but their DNA molecules contain different genetic information.
"To enclose the body from the outside" is the one function <span>of an exoskeleton that has been given in the question. The correct option among all the options that are given in the question is the second option or option "B". the word "exo" means from outside and it is the best hint for reaching the correct answer.</span>
With the advent of industrialization, several trees have been cut at an alarming rate for raw materials and various other purposes. This felling of trees can be regulated by selective cutting, clear-cutting and shelterwood cutting.
Forest fires are one of the common causes of loss of forests. Sometimes the forest land is set on fire to make the land available for commercial purposes. Once cleared, there can be no vegetation. Natural forest fires are also responsible for the destruction of huge forest covers. Latest fire fighting techniques should be adopted to conserve the forest. However, forest fires are an important part of the ecosystem and it helps replenish nutrients in the soil from dead and decaying matter.
More trees should be planted to increase the forest cover. Trees should be selected according to the geographical conditions of a particular region and proper care should be taken during the growth of trees.
Prevention of exploitation of forestry and forest products is necessary for the conservation of forest.
The existing forests should be protected from diseases by spraying chemicals, antibiotics or development of pest-resistant strains of trees.