All of the following control the movement of whales in the oceans except
Water movement
Water volume
Concentration of salts in the water
Water density
What is the main factor that affects the distribution of living organisms in aquatic environments?
Water depth
Temperature
Osmotic adaptation
Water color
Which of the following factors is considered an essential element in sustainable development?
Destruction of natural habitats
Lack of interest in the environment
Development of clean technology
Increased consumption of natural resources
Where does energy begin to flow in the aquatic ecosystem?
From zooplankton
From predatory fish
From producers such as algae and plants
From herbivorous fish
Predatory fish help maintain the balance of coral reefs by...
Providing nutrients to coral reefs
Controlling the numbers of small organisms such as sea urchins
Feeding on coral reefs
Increasing coral reef growth
Vapor pressure in solutions ... Vapor pressure in pure water
Half
Equal to
Greater than
Less than
Human activities negatively affect the flow of energy in the aquatic ecosystem through ..
Disruption of food chains
Increasing the number of productive organisms
Increasing the efficiency of photosynthesis
Enhancing the flow of energy
When the temperature of pure water increases ... the vapor pressure
Is not regular
Remains constant
Decreases
Increases
Excessive consumption of small fish by predatory fish leads to... Zooplankton
No effect on
Increased numbers
Decreased numbers
Complete disappearance of zooplankton
The potential impact of increasing the number of predatory fish on the aquatic ecosystem is..
Better balance in the food chain
Decrease in the number of algae
Unbalanced increase in the number of small fish
Increased biodiversity
The vapor pressure of water ... when an amount of table salt is dissolved in it
Doubles
Not affected
Which of the following statements is true about the vapor pressure of very dilute solutions?
Proportional to the square of the concentration of the solute
Not affected by the concentration of the solute
Inversely proportional to the concentration of the solute
Directly proportional to the concentration of the solute
What are the essential nutrients that are necessary for the growth of plants and algae in aquatic systems?
Calcium and magnesium
Carbon and oxygen
Nitrogen and phosphorus
Sodium and potassium
The primary function of producers in an aquatic ecosystem is...
Performing photosynthesis
Consuming other organisms
Purifying water
Regulating water temperature
One of the importance of maintaining ecological balance is that it helps to...
Increasing commercial fishing opportunities
Increasing water temperature
Reducing biodiversity
Maintaining the stability and continuity of the ecosystem
The physical factor that the food chain needs and comes from outside the planet Earth is..
Soil salts
CO2
Light
Water
Increasing the concentration of dissolved substances in water increases ... Water
Color
Volume
Pressure
Density
Which of the following properties of a liquid does not affect its vapor pressure?
Mass of liquid
Type of molecules
Strength of attraction between molecules
The most effective way for human participation in environmental policies is
Ignoring government policies
Reducing environmental awareness
Overfishing
Participating in community dialogues
The basic concept of ecological balance may express..
Unrestricted consumption of resources
Reducing the number of living organisms
Preservation of biodiversity through food relations
Which of the following factors has the greatest effect on the distribution of fish in the oceans?
Surface wind speed
Food availability
The likely result of an imbalance in nutrient levels in the aquatic system is...
Improving water quality
Disrupting the ecosystem
Increasing biodiversity
Decreasing water temperature
Which of the following is considered a characteristic of salt-tolerant organisms?
Does not need osmotic adaptation
Can only live in fresh water
Can live in a wide range of salinity concentrations
Live only in salt water
When the external pressure on the surface of the liquid increases, the vapor pressure...
Not regular
The concept of sustainable development in the environmental context refers to...
Meeting the needs of the present generation without compromising the capabilities of the Future generations
Excessive consumption of resources
Ignoring environmental issues
Which of the following factors does not affect the amount of decrease in vapor pressure Solution?
Type of solute
Concentration of solute
Volume of solution container
The negative effects of overfishing are...
Causing algae blooms
Reducing prey numbers
Enhancing the health of marine organisms
What is the main effect of osmotic adaptation on organisms in aquatic environments?
Affects the balance of water and salts in their bodies
Determines the age of living organisms
Affects the color of organisms
Determines the size of organisms
A process occurs ... when the vapor pressure equals the atmospheric pressure
Evaporation
Freezing
Sublimation
Condensation
The concentrations of dissolved substances in water affect the following except ..
Properties of matter
Color of living organisms
Distribution of living organisms
The natural flow of energy in the aquatic ecosystem affects...
Regulated the numbers of organisms at each level of the food chain
Reduced biodiversity
Increased water pollution
Increased consumption of food resources
The collective properties of water depend on the number of ... and do not depend on its type
Solvent particles
Oxygen atoms
Solute particles
Covalent bonds
What are the possible consequences of not maintaining ecological balance in aquatic systems?
Increasing environmental prosperity
Improving fish productivity
Enhancing biodiversity
Which of the following is considered an adaptation that helps fish live in salt water?
Increased salt absorption
Reduced water intake
Increased urine production
Reduced food intake
The main source of energy in the food web is..
Plants
Nutrients
The sun
Insects
Carrying ... organisms to different depths of water or to the surface of the water
Coral reefs
Particles
Water currents
The vapor pressure of water... with height above sea level
Predatory fish contribute to maintaining the ecological balance in aquatic systems by ..
Increasing the amount of nutrients
Reducing the growth of aquatic plants
Purifying water from pollutants
Controlling the number of prey
Which of the following factors affects the vapor pressure of the liquid?
Color of the liquid
Shape of the container
Volume of the container
Which of the following factors is a major cause of the variation in water quality in the oceans..
Photosynthesis
Biodiversity
Use of pesticides