The ant and aphids have mutualism type of relationship because they both profit from one another. The aphids are protected while the ant is fed.
<h3>What is Mutualism?</h3>
- Mutualism is a partnership in which both species participate and gain from it. 
- In this instance, ants profit because they eat the waste products left behind by aphids, while aphids profit because ants guard them.
- An illustration of a mutualistic relationship is the one between an animal called an oxpecker and a rhinoceros or zebra.
- The spider crab continues to be hidden from predators. 
- Bees with flowers - Another mutualistic link exists between bees and flowers. 
- Bees move between flowers to collect the nectar they require to produce honey.
-  Pollination occurs when the bee transfers pollen from one plant to another.
Learn more about Mutualism here:
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Some plants have a complex life cycle that includes the sporophyte and,gametophyte stages.
        
             
        
        
        
<h3><u>
Full Question:</u></h3>
Which of the following departments would be included in a state government's public safety function? 
A. Department of Education 
B. Department of Emergency Management 
C. Department of Environmental Protection 
D. Department of Banking and Consumer Finance
<h3><u>
Answer:</u></h3>
 The department of Emergency Management should be added to the public safety function by the state government. 
Option B
<h3><u>
Explanation:</u></h3>
Public Safety function deals with those departments who are responsible for giving safety to the general citizens and curbing any sort of unexpected events that can disturb the natural environment of the state. Departments like department of police, emergency medicine are among these functions. 
The department of emergency management is mainly supported by paramilitary or other trained personnel who are armed and have different tactics to curb the disturbances and nuisance being caused in the locality. It actually helps the normal citizens to live a safe and normal life. So this department should be added to the public safety function of the state. 
 
        
        
        
Answer:
With decrease in pH of ocean water, the survival rate of corals, algae, and fish in coral reef reduces.
Explanation:
Coral reefs find difficulty in living in acidic ocean water. It is so because the coral’s shell that is made up of calcium carbonate is unable to sustain in acidic environment.  
Not only this the skeleton of snails, clams, algae , fish etc is also made up of calcium carbonate. Increased acidity leads to death of these species.  
Thus, the lower is the pH of ocean water, the higher is its acidity and hence the lower is the probability of survival of corals, algae, and fish in the coral reef