Answer:
The <em>tetrad</em> occurs during the first phase of meiosis. It is the foursome of <em>chromatids</em> that forms when replicated homologous chromosomes align. It must be formed for crossing over to occur. It is broken apart when the homologous chromosomes separate in meiosis I.
The answer should be testable
Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply. At very high light intensities, photosynthesis is slowed and then inhibited, but these light intensities do not occur in nature.
A) transport fluids
(<span>The </span>lymphatic system<span> </span><span> is responsible for the removal of interstitial fluid from tissues. It absorbs and transports fatty acids and fats as chyle from the digestive </span>system<span>. It transports white blood cells to and from the lymph nodes into the bones.)</span>
