Answer:
mitral valve
Explanation:
The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).
Because each carbon is identical, they all have four valence electrons, so they can easily bond with other carbon atoms to form long chains or rings. (Hoping that helps)
Answer:
Explanation:
The upwelling of nutrients rich water to the top will increase species numbers and diversity.
When a particular area has the ability to sustain live by providing food and nutrients required for growth of organism the population will greatly increase this is because nutrients is the major source of competition among species for survival and every species goes in search for it and where there is abundance of it there will be a rise in population and diversity.
Varying type of species that are diverse in nature comes together, mating occurs more diverse species are formed.
Answer: Carbon is one of the most important chemical, non-metallic element that is considered to be the fundamental unit, making up the organic life. Carbon is present in almost all the living beings existing on earth.
Carbon plays a significant role in the carbon cycle. It transfers from plants to the animals or organisms as one consumes the plants, vegetables that are around us and further released into the atmosphere from the bodies of the living creatures during exhalation. This continuous transformation of carbon from one place to another is regarded as the carbon cycle.
It is abundant and can easily react with various elements.
Answer:
<h2>Two normal cells, n and n;</h2><h2>One cell lacks chromosomes : n-n</h2><h2>One cell contain extra set of chromosomes: n+n=2n</h2>
Explanation:
If all of the chromosomes experience non-dis-junction in meiosis II, means that sister chromatids failed to separate during meiosis II then
a. half the cells are normal containing n number of chromosomes (n).
b. One cell lacks whole set of chromosomes
c. and one cell with two copies of the chromosomes (n+n).
