Use the drop-down menus below to identify the organ that is responsible for each function of the
excretory system.
produces feces
excretes sweat
converts poisonous substances to less toxic forms
excretes carbon dioxide and water
produces urine

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?