The Philippine coastal zone is legally defined to extend _____ kilometer(s) inland from the shoreline at high tide.
One (1) kilometer
Some mangrove species have roots that grow upward from waterlogged, oxygen-poor soil. What do you call these "breathing roots"?
Pneumatophores
Contrary to the common belief that corals are plants or rocks, they are actually tiny animals that live in colonies underwater, forming patches or extensive reefs. What do we call these tiny coral animals?
Coral polyps
The animated movie Finding Nemo tells a story of an overprotective fish named Marlin who, along with a forgetful blue tang named Dory, searches for his missing son Nemo. What type of fish is Nemo?
Clownfish
Along the shore, the water rises and falls every day with the tides. What do we call the zone that is exposed during low tide and submerged during high tide?
Intertidal Zone
Among the many seagrass species found in the Philippines, one stands out for its long, ribbon-like leaves. What do you call this common species, also known as tape seagrass?
Enhalus
When the ocean gets too warm, corals become stressed and lose their vibrant colors. What do you call this process when corals lose their color due to high temperature stress?
Coral Bleaching
In the lore of Mobile Legends: Bang Bang, Bane was defeated by Franco, but was resurrected by the Aurora Heart. During this rebirth, he fought and merged with a massive sea creature. What was the sea creature that fused with Bane’s body?
Octopus
What is the name of the area where freshwater from rivers meets seawater, creating a nutrient-rich environment for fish?
Estuary
Coral polyps secrete this substance to form their rigid skeletons, which accumulate over time to build massive reef structures. What is this chemical compound secreted by corals to build their skeletons?
Calcium carbonate
The song Si Filemon was based on a Visayan/Cebuano folk song that was popularized by Yoyoy Villame. It tells a humorous story about a fisherman named Filemon who catches a small fish. What type of fish did he catch?
tambasakan (mudskipper)
True mangroves are those found exclusively or almost exclusively in intertidal habitats. Which of the following is an example of true mangroves?
a. Enhalus b. Acropora
c. Acanthus d. Sargassum
c. Acanthus
Which of the following condition(s) is/are NOT ideal for coral growth? You may choose more than one option, if needed.
a. Seawater temperature between 23°C to 29°C
b. Nutrient-rich runoff from land
c. Moderate sedimentation that increases nutrient availability
d. Salinity levels between 0.5 ppt to 15 ppt
B, C, and D
Red tide occurs when microscopic algae multiply rapidly, producing toxins that can accumulate in seafood. Which of the following actions are considered safe during a red tide advisory? Choose all that applies
a. Wash fish thoroughly with running water before cooking
b. Eat shellfish from areas with only a Local Red Tide Warning but avoid from areas with National Warning
c. Remove all fish entrails, like gills and intestines, before cooking
d. You may eat alamang as long as it is cooked at high temperature
A and C
Rhizophora species (bakhaw) have prop roots, while Avicennia species (miyapi) have pneumatophores. Which other mangrove species has “knee roots”?
Bruguiera species
pototan
Outbreaks of this venomous, coral-eating starfish have severely damaged reefs. What is this species that can cause large-scale reef destruction when its population explodes?
Crown-of-Thorns starfish
(COTS)