Chemical digestion<span> in the </span>small intestine<span> relies on the activities of three </span>accessory digestive organs<span>: the </span>liver<span>, </span>pancreas<span>, and </span><span>gallbladder.</span>
This dispersal reduces the likelihood that a sperm will find an egg. Many sperm and eggs die before achieving fertilization. The low success rate of external fertilization puts animals at a reproductive disadvantage compared to internal fertilization.
False. The integrated pest management system uses the effective practices and technologies for improving the productivities and increasing the sustainability. Use of resistant varieties, limited use of chemicals, alternate cropping, use of manure and use of chemicals after obtaining sufficient knowledge about them, etc. increase the crop productions.
Chromatin is the mass of DNA molecules which is undistinguishable however chromatids are part of a chromosome attached with a centromere. Also, chromatin is the DNA before it coils and chromatid are the things that contains the DNA.