This test consists of 2005 HSA questions related to the ecology unit of the MCPS biology curriculum.
They contain a wide variety of organisms.
They contain very few organisms.
Organic nutrients are in short supply.
Sunlight is not used to make food.
They often form mutualistic relationships with native organisms.
They can deplete the food sources of native organisms.
They are often aggressive at acquiring and maintaining territory.
They can prey on native organisms causing them to go extinct.
The coral would grow well because it does not have a competitor.
The coral would die because it needs the food produced by the algae.
The coral would grow well because it does not have a parasite.
The coral would die because it cannot produce food for the algae.