The changes will occur in an aquatic ecosystem as a result of nutrient loading are: changes in natural flow regimes as a result of water extraction and supply direct modification or destruction of important habitats barriers to the movement of plants and animals. For example within rivers and between rivers and their floodplain effects of poor water quality competition from introduced, <span>exotic animal and plant species. </span>
The answer is B) Genetic variation
TRUE. the placenta develops in the mother's uterus during pregnancy. The structure provides oxygen and nutrients to the growing baby and removes waste products from the babys blood