Exam (elaborations)
AICE MARINE AS LEVEL EXAM questions with correct answers.
- Course
- Institution
AICE MARINE AS LEVEL EXAM questions with correct answers.
[Show more]
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now