We can use the word RINGER to memorize the characteristic of living things.
Respiration - the ability to breathe and respire.
Irritability - the ability to detect and react to stimulus
Nutrition - taking in nutrients (eg. Food) for energy to growth, repair etc
Growth - the permanent increase in size and mass
Excretion - to get rid of toxic, waste or excess materials
Reproduction - to make more of that organism.
In addition, there is also movement, which is an action which causes a change in place or position.
Only the organisms with these characteristics are categorized as living things.
        
             
        
        
        
Unit 3 Lesson 6: chordate evolution and diversity quick check answers.  
1. B
2. D
3. B
4. B
5. B
        
                    
             
        
        
        
Answer:
The heart has four chambers: The right atrium receives blood from the veins and pumps it to the right ventricle. The right ventricle receives blood from the right atrium and pumps it to the lungs, where it is loaded with oxygen. The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle.
Explanation:
 
        
                    
             
        
        
        
<span>The answer is If ducks bark then cats fly.   T</span>he converse of the statement If cat fly then ducks bark is If ducks bark then cats fly. <span>The converse of A implies B is B implies A.</span>