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