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