Answer:
primary carnivores which is a cat 
Explanation:
At the third level, primary carnivores, or meat eaters, eat the herbivores; and at the fourth level, secondary carnivores eat the primary carnivores.
 
        
             
        
        
        
Answer:
Are microscopic
Are single celled
Have shapes that include sphere, rod, and spiral
Do not have nuclei and membrane-bound organelles
Explanation:
 
        
             
        
        
        
Answer:
that carnivorous plants will invest more energy in nutrient uptake from the soil and less energy in prey capture whenever possible.
 
        
                    
             
        
        
        
Answer option:
1. duplicate themselves
2. convert energy
3. selectively exchange materials
4. all of the above
Answer:
4. all of the above
Explanation:
Cells carry out many functions. They are able to replicate their DNA and divide into two identical daughter cells in order to proliferate.
They can convert glucose into cellular energy (ATP) through respiration in the mitochondria
They can exchange materials with the outside environment via the selectively permeable cell membrane, endocytosis and exocytosis and active transport via membrane proteins. 
Therefore, all of the above is correct.