1. Firstly, let's see where daphnia fit in the animal kingdom. Which animals are they most closely related to? Insects Brine shrimp Crabs Spiders

2. Daphnia are usually seen in large crowds, but how do they reproduce so successfully? Cloning Sexually Sexually and asexually Asexually

3. We all now know fish eat daphnia, but what do daphnia eat? Plants and animals Other daphnia Plankton Plants only

4. What gives daphnia their common name 'water fleas'? They look like fleas They are directly related to fleas The way they swim They bite other animals

5. Which appendages do daphnia primarily use for swimming? First antennae Rear legs Front legs Second antennae

6. What is the main function of daphnia's legs? They are vestigial with little function Swimming Feeding Walking when out of water

7. Which of these is not a species of daphnia? Umbra Minnehaha Matsuda Pulex

8. How do young daphnia grow? Shedding their skin periodically They go through metamorphosis Gradually They don't grow

9. How are daphnia most useful to humans? Toxicology testing No use at all Food Medicine

10. What function do daphnia perform for their general local environment? They help maintain the correct Ph balance of the water They maintain the hygiene of the water They indicate the health of the ecosystem Very little