It's not accurate to say Filipino biologists have made specific "inventions" in the way we think of, like a new gadget or tool. However, they have made significant contributions to the field through research, discoveries, and advancements.

Here are five Filipino biologists and their significant contributions:

1. Dr. Angel C. Alcala:

* Contribution: Known for his extensive research on coral reefs and marine conservation. He pioneered the development of artificial coral reefs and was instrumental in establishing marine protected areas in the Philippines. He received the Ramon Magsaysay Award for his work.

2. Dr. Lilian F. Patena:

* Contribution: A renowned plant breeder who focused on developing improved rice varieties. Her research on rice genetics and breeding contributed to increasing rice yield and food security in the Philippines.

3. Dr. Edwino S. Fernando:

* Contribution: Made significant contributions to the study of Philippine biodiversity, particularly in the field of entomology. He has authored numerous publications on insects and their role in the ecosystem.

4. Dr. Perry S. Ong:

* Contribution: A leading expert in the field of molecular biology. He has focused on researching and developing diagnostic tools for diseases like dengue and malaria.

5. Dr. Rafael D. Guerrero III:

* Contribution: A prominent figure in the field of biotechnology. He has worked on developing technologies for producing biofertilizers and biopesticides, promoting sustainable agriculture.

It's important to remember that these are just a few examples, and many other Filipino biologists have made valuable contributions to the scientific community. Their research and discoveries have had a significant impact on understanding and protecting the Philippines' unique biodiversity and addressing various challenges related to health and agriculture.