Biodiversity is the variety of plants, animals and ecosystems in the world, it is a measure of our planet's health. Overexploitation of species, habitat destruction, and the introduction of invasive species are threatening Earth's biodiversity.
15. Cytoskeleton
16. Cilia
17. Golgi Apparatus
18. Smooth
19. Lysosome
20. Eukaryotes
21. Flagellum
The repressor protein blocks the genes from making mRNA.
