Ecological Importance of Edges

What happens to the salinity level of the water in tide pools as the water warms and evaporates?

It becomes neutral
It remains constant
It increases (correct)
It decreases

What is a major problem faced by organisms living in rocky intertidal zones?

Water pollution
Competition for food
Dehydration (correct)
Predation

What is a strategy used by some organisms to survive in rocky intertidal zones?

Hibernation
Moving to a moist area (correct)
Migration to deeper waters
Forming symbiotic relationships

How do some organisms protect themselves from dehydration?

By all of the above methods (D) Signup and view all the answers

What is a characteristic of shells that helps organisms keep cooler?

Ridges on the shells (A) Signup and view all the answers

What do limpets use to hide in and protect themselves from dehydration?

Home scars (D) Signup and view all the answers

What is the primary factor contributing to the richness of the sea edge?

The movement of tides (D) Signup and view all the answers

What is the role of tides in the formation of dunes?

Tides expose sea sand to the wind, allowing it to be blown into dunes (C) Signup and view all the answers

What is the function of tidal areas within harbours and embayments?

They provide a habitat for specialized organisms (A) Signup and view all the answers

How do tides affect the distribution of plankton?

Tides mix the water, spreading plankton throughout the year (A) Signup and view all the answers

How do algae adapt to the pounding surf?

By using their flexible stem to move with the wave motion (B) Signup and view all the answers

What is a major problem for barnacles due to changes in food availability?

They are unable to filter feed out of water (D) Signup and view all the answers

What is the impact of tides on the adaptation of coastal organisms?

Tides create a unique environment that drives the evolution of specialized organisms (D) Signup and view all the answers

What is the result of tides on coastal sediments?

Tides transport and mix coastal sediments (B) Signup and view all the answers

What determines the effects of tides on sea life?

All of the above (D) Signup and view all the answers

What is a result of the tides on the larvae of sea creatures?

They need a place to attach to begin their advancement to adulthood (A) Signup and view all the answers

Why are tides important for marine life in the intertidal zone?

They bring water and food to animals and take away wastes (C) Signup and view all the answers

What is a common adaptation of coastal organisms to survive in the pounding surf?

Having a compact size and a hydrodynamic shape (C) Signup and view all the answers

What is the result of downwelling in the ocean?

Replenishing oxygen supply to oxygen-dependent organisms (D) Signup and view all the answers

What type of organisms are found in intertidal zones?

A mix of scavengers and bioerosion specialists (B) Signup and view all the answers

What is the purpose of bioerosion in intertidal zones?

To grind and bore exposed rock (D) Signup and view all the answers

What is the effect of upwelling on biological productivity?

It increases biological productivity (A) Signup and view all the answers

What is the result of wind and the Coriolis effect on surface ocean water?

It drives water towards the coastline (B) Signup and view all the answers

What is a characteristic of shore habitats?

They are constantly being exposed and covered by tides (D) Signup and view all the answers

What occurs when the tide is high in the intertidal zone?

The area is covered with water and fish swim in. (D) Signup and view all the answers

What is the term for the abundance of life on edges?

The Edge Effect (B) Signup and view all the answers

What happens to the area at low tide?

It dries out with puddles and becomes a hub of activity. (D) Signup and view all the answers

Why is the microscopic world in the intertidal zone so intense?

Because of the changing environment with the tides. (C) Signup and view all the answers

What is a characteristic of the intertidal zone?

It is a dynamic environment with changing tides. (C) Signup and view all the answers

What is the significance of the intertidal zone?

It is an area with high biodiversity and rich nutrients. (B) Signup and view all the answers