Study Guide AICE MARINE AS LEVEL EXAM 2024 with 100% Complete Solutions

Study Guide AICE MARINE AS LEVEL EXAM 2024 with 100% Complete Solutions Trophic level - Correct Answer ️️ -"feeding level" in a food chain or food web primary producer - Correct Answer ️️ -autotrophs (self feeders) ex: phytoplankton primary consumer - Correct Answer ️️ -herbivores feed directly on primary producer secondary consumer - Correct Answer ️️ -carnivores that feed on herbivores tertiary consumer - Correct Answer ️️ -carnivores that feed on other carnivores top predators - Correct Answer ️️ -carnivores at the top of the food chain succession - Correct Answer ️️ -gradual change in an ecosystem that occurs over a period of time EX: volcano erupts/creates a flow of lava/species of coral begins to grow/species adapts & grows over time predator - Correct Answer ️️ -an animal that catches, kills, and eats another animal EX: Carnivorous fish eating plankton/fish prey - Correct Answer ️️ -animals that are eaten by predators. they may use survival tactics such as camouflage EX: starfish eat shellfish however this predator-prey relationship is necessary to keep the balance in an ecosystem keystone species - Correct Answer ️️ -Consumers that have a LARGE effect on the overall biodiversity on an ecosystem... Example: starfish (If starfish are removed from a community-- mussel & sea urchin populations dramatically increase) shoaling - Correct Answer ️️ -large #s of fish in the same species coming together in a "social" way shoaling advantages - Correct Answer ️️ -1) hydrodynamic frequency 2) more eyes to seek out feed 3) more eyes to seek out predators 4) protection for predators 5) saves energy 6) amount of fish confuses predators 7) increase chance to find a mate 8) easier to reproduce population - Correct Answer ️️ -organisms of the SAME species living together community - Correct Answer ️️ -organisms of DIFFERENT species living together habitat - Correct Answer ️️ -natural environment of an organism