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Competition in a territory is as a result of a hassle for the available resources within the territory. For instance, when the water in a river seems to be drying out, the organisms in the water begin to compete for the water.

Syphilis is caused by a bacterium known as Trepenoma pallidum. It is majorly passed on by sex.

The setup is to show the capillarity (water rise) of each of the soil types

Capillarity in soil refers to the ability of a soil to allow and retain water in it. Clayey soil has the highest tendency to hold water hence, the water would rise highest in it.

The competition in a territory is the factor that basically determines whether or not a specie will survive or not in that territory. Ecological niche is the total package of the habits of a specie. The competition for food and water is the most important influencer of the ecological niche.

Proper light in the aquarium serves as a form of energy for the photosynthetic plants and animals, hence is very important.

The secchi disc is used to check for the transparency and the turbidity of water.

Wildlife conservation is necessary for the prevention of the extinction of wildlife. It helps with the preservation of these wild animals.

The blood types A and AB can receive blood from blood types A and O but not B. Hence, if there was a problem after transfusion, it was most likely to be from BO.

The basic technique in identification of the antigens and antibodies of blood groups is the agglutination test and can be done to prevent the clumping of the red blood cell. The symptom is due to clumping due to incompatible blood transfusion.

Gregor Mendel is considered as the founder of modern science of genetics.

Crossing over is the process where homologous chromosomes pair up with each other and exchange different segments of genetic material to form recombinant chromosomes.

The theory implies that the more you use a part of your body, with time that part of your body starts adjusting in order to make the work easy.

Some sedimentary rocks actually have fossils stored in them. Therefore, fossils are stored in rocks.

Social insects are characterized by Group integration (blending the new members into the already existing social structure), Division of labour and Overlap of generations (having several breeding seasons, hence having multiple generations present at a time).