Osmotic pressure leads to the transfer of water from the solution characterized by ..
High osmotic pressure
Low pressure Osmosis
Fewer water molecules
Increased salt concentration
Which of the following represents the means of respiration in amoeba ....
Cell membrane
Gills
Contractile vacuole
Mitochondria
What is the main factor that affects the osmotic pressure of the solution inside the cell ....
Temperature
Type of membrane
Concentration of dissolved materials
Which of the following correctly expresses the physiological adaptation of a living organism ....
Changing the structure of some of its organs
Disappearing some unnecessary structures
Modifying its behavior
Increasing the efficiency of the breathing process
Which of the following has the highest osmotic pressure ....
High concentration solution
Pure solvent with high temperature
Low concentration solution
Pure solvent degree Low temperature
Which of the following is a physiological change in ocean fish ....
Large gills
Compressed body
Arteries and veins
Increased blood pressure
Which of the following is not a source of oxygen for fish to breathe ...
Photosynthesis of phytoplankton
Decomposition of organic matter
Photosynthesis of marine plants
Gas exchange between the atmosphere and water
What happens when a living cell with a solution concentration of 20% is placed in a solution with a concentration of 30%?
The cell expands as a result of the water exiting from inside the cell to outside it by osmosis
The cell expands as a result of the water exiting from outside the cell to inside it by osmosis
The cell shrinks as a result of the water exiting from inside the cell to outside it by osmosis
The cell shrinks as a result of the water exiting from outside the cell to inside it by osmosis
Which of the following adaptations enables deep-sea fish to coexist with a lack of oxygen ...
Slowing the metabolic rate
Compact body
Strong blood vessels
Increasing the concentration of salts in the cells
Which of the following is considered a means by which living organisms in the aquatic environment get rid of excess water ....
Contractile vacuoles and kidneys
Kidneys only
Cellular respiration only
Skin and gills
Which of the following aquatic environments is most suitable for salmon reproduction ....
Seas
Salt lakes
Rivers
Oceans
Which of the following organs has a major role in getting rid of excess water in freshwater fish ....
Kidneys
Skin
Mouth
What is meant by biological adaptation .....
Adapting the chemical properties in the environment to its physical properties
Adapting the living organism to the environmental conditions in which it lives
Occurring biological diversity in the environment to maintain its balance
Changing environmental conditions to suit the living organisms that live in it
What is the main behavioral adaptation of salmon during its life cycle .....
Changing skin color
Living in the ocean only
Living in rivers only
Migrating from the river to the sea and then returning
Adaptation in salmon during their life cycle Adaptation .....
Behavioral only
Physiological and structural
Structural only
Physiological and behavioral
During the osmosis experiment, the semi-permeable membrane ...
Allowing large materials to pass
Preventing the passage of all materials
Allowing only water to pass
Allowing only dissolved materials to pass
The kidneys in freshwater fish differ from those in saltwater fish in ...
Their location in the body
The type of fluid they produce
The concentration of urine they produce
How they work
Which of the following will explode when placed for a period in distilled water ....
Paramecium
Amoeba
Red blood cell
Euglena
Which of the following properties helps unicellular organisms In getting rid of respiratory waste ....
Osmosis
Evaporation
Diffusion
Transpiration
The ability of tilapia to rise to the surface of the water is mainly due to their possession of ....
Air bladder
Fins
What chemical does a shark keep in its blood to help regulate its osmotic pressure ...
Oxygen
Carbon
Urea
Water