The sponges found in Lake Baikal are filter feeders. Why might gathering energy in this way be an advantage over photosynthesis in this part of the lake?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time