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One of the major ways in which the blood is able to defend against disease is clumping.

Haemophilia is any of several hereditary illnesses that impact the body's ability to control bleeding usually passed from mother to son.

Trait is an inheritable character/inheritable feature possessed by an organism.

Dictating the formation of a protein by a gene in a chromosome is a process of transmitting hereditary characteristics

Implantation is the attachment of embryo to the uterus wall.

One of the functions of the prostrate gland is to ensure the successful fertilization of the ovum which involves the neutralization of the acidic media of the male and female reproductive systems. This does not replace the role of the cowper's gland to raise the pH of the fluid in the female reproductive system, too.

Population frequency refers to the number of times an organism occurs within a given area of a habitat

A voluntary action is controlled by the cerebrum in the forebrain which is the largest part of the brain.

Nucleus is a part of living things which controls activities due to the presence of the DNA in it.

Glomerular filtrate contains H\(_2\)O, glucose, salts and urea and it is identical to blood plasma that lacks most proteins.

Organic evolution is the sum total of adaptive changes from pre-existing or old form that have taken place over a long time resulting in diversity of forms, structures and functions among organisms.

Operculum or gill cover helps the tilapia fish in gaseous exchange.

The tilapia fish can be classified under chordata phylum in the animal kingdom.

One of the important characteristics of green plant is that they can manufacture their food (Autotrophic).

A virus is regarded as animate is because it can reproduce in living cells. It can also be inanimate when it is not in living cells.