Adaptions of sea cave creatures

1. What are some typical adaptions for these animals and why?

Answer :Typical adaptions seen among these animals are lack of pigmentation, reduction in the size of eyes, development of sensory mechanisms that do not depend on light for detecting food or predators.

2.Why is oxygen not plentiful in caves and how do creatures deal with the lack of oxygen

Answer: Many of these animals have adaptions that reduce the need for oxygen, this is because anchialine caves tend to be oxygen depleted because their is no photosynthesis and very limited water circulation in the caves.

3.Why do adaptions occur?

Answer: Adaptions happen as random events and if they provide an advantage, the organism is more likely to survive and reproduce than other organisms with these same adaptions . 

Hydrothermal vents

1. What exactly was described as "the biggest biological discovery on Earth?"
2. Where in the oceans was the discovery made?
3. What was “interesting” about Tube Worms?
4. How are species able to survive without sunlight? (What’s the process, if it’s not photosynthesis)
5. Where on Earth are hydrothermal vents located?
6. Describe the theory of how life on Earth may have began at hydrothermal vents? 

1.Hydrothermal vents caught on camera
2.These discoveries were made deep into the ocean
3.The worms bled human like blood.
4.Ther was another human like source underwater
5.these hydrothermal vents were located all over the earth
6.people are thinking that's where life began.

Bathymetry

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