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