The are the areas which are full of corals that acts as home for fishes? .) estuaries B.) coral reefs C.) food chain D.) habitat 26.) This is a type of reproduction in plants where the male and female parts of the flowers are involved A.) sexual C.) self-pollination B.) cross pollination D.) ovule 27.) As a Grade 5 pupil, how can you contribute in the preservation and conservation of our estuaries? A.) Keep more fishes alive B.) Do not use pesticides C.) Advice your town mayor to conduct an orientation D.) Join in a stream or beach clean-up in our community or in school. 28.) The following statements show the protection and conservation of the estuaries and intertidal environment EXCEPT A.) Planting marsh grass B.) No to dynamite fishing C.) Over harvest of recreational and commercial species D.) Proper disposal of garbage and household chemicals 29.) What do you call when the organisms of the same kind live together? A.) community B.) family C.) people D.) population 30.) is a relationship between biotic and abiotic factors in a certain place. A.) ecosystem B.) livelihood C.) symbiosis D.) area​