Answer:
Climate change has the effect of determining migration of people.
Explanation:
A hazardous environment eg. changes in rainfall patterns, increase in temperature, sea level rise, cyclone frequency has the effect of people migrating to cooler places whereas a conducive environment has the effect of attracting more people to settle there.
Water evaporates salts in seawater increase in concentration. Minerals precipitate
Answer:
Totipotent (omnipotent) stem cells can give rise to any of the 220 cell types found in an embryo as well as extra-embryonic cells (placenta). Pluripotent Stem Cells Pluripotent stem cells can give rise to all cell types of the body (but not the placenta). Multipotent Stem Cells Multipotent stem cells can develop into a limited number of cell types in a particular lineage.
Explanation:
What procces is shown above?
- <em>D</em><em>N</em><em>A</em><em> </em><em>r</em><em>e</em><em>p</em><em>l</em><em>i</em><em>c</em><em>a</em><em>t</em><em>i</em><em>o</em><em>n</em>
DNA replication is the process where the strands of DNA seperate from each other to form two DNA molecules consisting of one new and one old chain of nucleotides.
The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.
The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.
