Apo Reef in Occidental Mindoro is one of the famous atolls in the country.

(TRUE OR FALSE) Organisms of the same species perform intraspecific interactions.

Philippine coral reefs are one of the most diverse ecosystems on the planet and are considered as being the "_______ of the Ocean,"

Give 3 biotic factors in an ecosystem

It is a circular reef formation that surrounds a deep or large lagoon.

Give 3 examples of Parasite.

This layer receives most of the sunlight, thus helps in growing tallest trees.

Mangrove forest is recognized by the Department of Environment and Natural Resources (DENR) as the "_______ of the sea."

This is the primary layer of the forest. It is the thickest because it has most branches and leaves of the tallest trees in the rainforest that extend to capture sunlight.

(TRUE OR FALSE) A population of prey cannot increase unless there is enough predators.

They are characterized by salt loving trees, shrubs, and other plants. They are mostly found in estuaries, where freshwater meets saltwater.

(Identify the interaction) Crocodile gets its teeth cleaned as the plover bird feeds on food particles in a crocodile's mouth.

Philippines has the Tubbataha Reef, which is included in UNESCO's list of World Heritage Sites. It is located in the province of ________________.