Questions and Answers

Identify and state the factors affecting the rate of population growth for a population of an organism, limited to: food supply, competition, predation and disease

Outline the role of fungi and bacteria in decomposition

Explain why it is more energy efficient for humans to eat crop plants than to eat livestock that have been fed on crop plants

Explain why food chains usually have fewer than five trophic levels

Explain why the transfer of energy from one trophic level to another is inefficient

Describe food webs as networks of interconnected food chains and construct and interpret them

Describe the terms producer, consumer, herbivore, carnivore and decomposer

Construct and interpret simple food chains

Explain why most forms of life are completely dependent on photosynthesis