describe both positive and negative human interactions within ecosystems and explain their impact on biodiversity
describe both positive and negative human interactions within ecosystems and explain their impact on biodiversity
**evaluate evidence for the impact of environmental changes on the distribution of organisms, with reference to water and atmospheric gases **
describe some of the biological factors affecting levels of food security including increasing human population, changing diets in wealthier populations, new pests and pathogens, environmental change, sustainability and cost of agricultural inputs
explain some of the benefits and challenges of maintaining local and global biodiversity
extract and interpret information related to biodiversity from charts, graphs and tables
describe and explain some possible biotechnological and agricultural solutions, including genetic modification, to the demands of the growing human population