4. Marine Biology

Invertebrate Life — Quiz

Test your understanding of invertebrate life with 5 practice questions.

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Practice Questions

Question 1

Which sponge canal system body plan maximizes internal choanocyte surface area relative to volume for efficient filter feeding?

Question 2

A 2.5-kg sponge filters seawater at a rate of 24,000 L per kg per day. What is its approximate filtration rate in liters per hour? Show calculation.

Question 3

Barnacles feed primarily by extending and retracting specialized appendages called:

Question 4

A mussel excretes nitrogenous waste at 0.2 mg N per hour. In a mussel bed of 1,000 individuals per m², how much nitrogen is excreted per m² per day? Show calculation.

Question 5

The Principle of Minimal Scaling in filter feeders states that: