1. Which of the following describes an estuary? A. A very salty body of water C. It is the deepest part of the river and sea B. A place for freshwater fishes D. it is where the river and the sea meet 2. Which biotic factor refers to the areas in the estuary that are filled with seawater during high tides and are drained during low tides? A. Coral reefs C. Mud flats B. Salt marshes D. Rocky shores 3. Which of the following is NOT an example of an estuary? A. Pasig River C. Manila Bay B. Davao Gulf D. Puerto Princesa Underground River 4. This is the area where the land meets the sea, between high tide and low tide zone 5.what do you call a biological community where group of living (biotic) organism interact with non living at a (biotic) factors of environment? a. biosphere b. community c. ecosystem d. population 6.which of the following is a population of organism that interact with other population of organism? a. community b. ecosystem c. population d. population
