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2E1 Group 5: Seashore

Page history last edited by 2E1group5 15 years, 5 months ago

Names / Roles:

HUIYIN (Leader)
FARAH (Writer)
XIAOPEI (Researcher)
ZENIA (Researcher)

Overview

Brief description of the ecosystem:

Where can it be found?

-The seashore is ususally found near the sea or ocean.

Level of human activity? etc

Physical Factors

Temperature-the temperatue of the seashores usually ranges from the moderate temperature of the water to the air temperature that vary from below freezing to scorching.

Water-the organisms must be both adapted to wet and dry conditions because it is covered with salt water during high tides and is exposed to air during low tides.

Mineral salts and salinity-the depression on the shores sometimes form tidepools,although they are not long-lasting features.The salinity of the tidepools varies from the salinity of the sea to much less salty when rainwater or runoff dilutes it.Therefore,the animals must adapt their system to these variations.

Classification of Living Organisms

Producers

algae

mosses

seaweeds

Consumers

barnacles

starfish (but not patrick...)

sea gulls

hermit crabs

mussels

shellfish

worm

herring gull

common limpet

prawn

flat periwinkle

shanny

Decomposers

crabs-harvesting on decomposing crops and animals

bacteria

millipedes

Food Web

science.docx

Interrelationship in Ecosystem

Predator-prey relationship

Parasitism

Mutualism

Definition

The seashore or coast is defined as that part of the land adjoining or near the ocean or its saltwater arms. A precise line that can be called a coastline cannot be determined due to the process of tides. It can also be referred to parts of the land which adjoin any large body of water, including oceans (sea shore) and lakes (lake shore).

2E1 Group 4: Desert

Mutualism

The Clown fish is able to produce special mucus that causes the sea anemone not to release its stings. It is also believed that the movements of the fish inform the anemone of its identity. In return for the anemone's protection, the fish brings scraps to it, and lures larger fish into the anemone's tentacles.

Parasitism

The most specialized of the parasitic isopods are the bopyrids, which attach themselves to the gills of crustaceans, feeding on the blood. They cause characteristic swellings on the shell of prawns, shrimps and crabs, but are not poisonous to man if eaten.