WorksheetsEcology Lesson 6 Exit Ticket
Total questions: 10
Worksheet time: 5mins
Due to overfishing, animals that depend on fish for food...
Are forced to compete with each other for food
Will have a decrease in population size
Will compete for a biotic factor
All of the above
If remove fish from the food web, who is directly affected?
Crabs
Seaweed
Seagulls
Elephant Seals
Trash in our oceans is a...
Biotic Factor
Abiotic Factor
Who is the producer in this food chain?
Dolphins
Phytoplankton
Crustacea
Killer Whales
What are some of the consequences of agricultural and urban runoff?
Algal blooms suffocate marine organisms
Fertilizer & Sewage get washed into natural waters
Marine ecosystems might have less biodiversity and sustainability
All of the above
Coral farming is when humans grow multiple corals from 1 small piece of coral. Then they put the coral back into the ecosystem. This is a ____________________.
Positive human impact on marine ecosystems
Negative human impact on marine ecosystems
Oil spills are an example of an abiotic factor affecting biotic factors in a marine ecosystem.
True
False
Which biotic factor are the killer whales and the seals in competition for?
Bald Eagles
Herring
Grasshoppers
Rats
If humans overfished all the grouper out of the ecosystem, what would happen?
The parrotfish population would only have one predator
The reef shark would lose a food source
The nematode population would die out
All of the above
If an oil spill killed all of the autotrophs in a marine ecosystem, what would happen?
There would be no producers to create chemical energy
All of the plants would die
The entire ecosystem would collapse
All of the above
