Packet 2: Bonus 4

Answer the following about extremely durable microscopic animals. For 10 points each:
[10m] These eight-legged animals can survive extreme conditions such as the vacuum of space while in a dehydrated dormant form called a tun. These animals are also called moss piglets because they are often found on moss.
ANSWER: tardigrades [or water bears or Tardigrada]
[10h] Another phylum of animals that can survive harsh conditions while dehydrated are the rotifers or “wheel animals,” whose bdelloid (“DEH-loyd”) class reproduces solely through this process. In this process, an egg develops into an embryo without fertilization.
ANSWER: parthenogenesis [prompt on asexual reproduction]
[10e] Loricifera are a phylum of micro-animals that exclusively live in sediments without this gaseous molecule. This gas breathed in by humans is required for aerobic respiration.
ANSWER: oxygen [or O2]
<Biology — June Yin> | SHOW-ME Four Packet 2

HeardPPBE %M %H %
2621.1596%92%23%

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