What I Know
Directions: Write TRUE if the statement is correct or FALSE if incorrect.
1. Salinity refers to the amount of salt in water.
2. Kelp, a kind of algae, has strong root like structures that attaches itself to
rocks to keep it from being carried away by the waves.
3. Blue crabs and mangroves have well-adjusted to the constantly changing the
salinity of water due to continuous flow of salt water and fresh water through the estuary.
4. Coral reefs are the areas of estuaries in which part of subtidal zone where
there are abundant organisms.
5. Animals found in the rocky shores are plankton, brittle stars, starfish hermit
crab, barnacles, limpets, mollusks, periwinkle, shore crab,
6. The intertidal area (also called the littoral zone) is where the land and sea
meet, between the high and low tide zones.
7. Many intertidal animals burrow into the sand (like clams), live under rocks, or
attach themselves to rocks (like barnacles and mussels) to survive.
8. Animals that live in the intertidal zone have a wide variety of predators who
eat them.
9. The types of soil differ in the estuaries depending on the strength of waves
and kinds of rocks present in the area.
10. Since many of the organisms in rocky shores are herbivores, seaweeds
provide food for them.​