Porifera: sponges

  1. what phylum do sponges belong to?

  2. what does the name porifera mean?

  3. why are sponges classified as invertebrates

  4. why are sponges considered to be filter feeders?

  5. why are sponges considered to be simple organisms?

  6. sponges are sessile. what does that mean?

  7. what are sponges feeding on?

  8. what is ostia? what does it do?

  9. what is osculum? what does it do?

  10. describe the direction of the flow of water through the sponge?

  11. what is the job of choanocytes (collar cells) and how do the work?

  12. what are spicules? how do they help the sponge?

  13. what are porocytes and how do they help the sponge?

  14. are sponges animals or plants? explain?

  15. how do sponges reproduce asexually?

  16. how do sponges reproduce sexually?

  17. how do sponges play an important role in their ecosystem

    • Introduction

      • Definition of climate change

      • Importance of addressing climate change

    • Causes of Climate Change

      • Greenhouse gas emissions

      • DeforestatioRising global temperatures

      • Extreme weather events

      • Sea level rise

      • Disruption of ecosystems

    • Mitigation Strategies

      • Transition to renewable energy sources

      • Afforestation and reforestation

      • Sustainable agriculture practices

      • International cooperation

    • Adaptation Strategies

      • Building resilient infrastructure

      • Implementing early warning systems

      • Promoting climate-resilient agriculture

      • Enhancing community preparedness

    • Conclusion

      • Urgency of taking action on climate change

      • Call to individuals, governments, and businesses to work together

    ?