"Adjacent chromatids in homologous chromosomes cross over during meiosis in sperm and egg formation" is the one among the following choices that describes what <span>causes genetic variation during human sexual reproductive processes. The correct option among all the options given in the question is the second option.</span>
The cerebrum controls language,body senses and memory
Answer:
Biology is the science of life. Its name is derived from the Greek words "bios" (life) and "logos" (study). Biologists study the structure, function, growth, origin, evolution and distribution of living organisms.
Answer:
The levels of Organisation in multicellular Organisms are Cells,tissues,organs and organs systems.Organisms,
Explanation:
Cells through out the body develop and perform different functions.Different types of cells constitute to form tissues,and different tissues constitute to form an organ and different organs constitute form an organ system and different systems perform specific functions.The organ systems such as the digestive,circulatory,excretory,nervous,Respiratory,lymphatic system and reproductive system These systems are complex by the action of enzymes these systems are carried out.Without the enzymatic action the functions of a system cannot carry out.
The maple trees are commonly tapped in order to extract its sap and make it into a syrup. The aim of the maple tree tap is the tissue of the tree known as the vascular tissue.
