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AICE MARINE AS LEVEL EXAM questions with correct answers.
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AICE MARINE AS LEVEL EXAM questions with correct answers.
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AICE MARINE AS LEVEL EXAM questions withcorrect answers
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
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