This subject covers the key concepts and topics tested in the GRE Subject Test for Biology, including cellular biology, genetics, and ecology.
Ecology explores how living things interact with each other and their environments, from tiny bacteria to giant whales!
Sunlight powers life! Plants capture solar energy, animals eat plants, and so on. This energy transfer forms food chains and complex food webs.
Ecological knowledge helps us conserve species, manage resources, and tackle climate change.
Removing wolves from Yellowstone affected the entire ecosystem, reshaping rivers and forests.
Coral bleaching impacts whole marine communities.
Ecology studies how organisms interact with each other and the environment at different scales.