Answer:
Add native plants to a suburban garden because you are adding already flourishing wildlife
Sea Urchins are primary consumers because they eat the kelp
Sun -> Grass -> Rabbit because grass lives off of photosynthesis from the sun and rabbit eats the grass
I think there would be more biomass in grass because there is a lot more spread throughout the savannah while elephants are way bigger there is less of them. 
 
        
             
        
        
        
Answer: b. cell wall and chloroplast
Explanation:
 
        
             
        
        
        
The complementary anti-codon will be ATG, iff an mRNA codon reads UAC. ATG or also AUG is defined as the codon for methionine which means the translation initiation codon. The codon AUG, start codon is the first codon messenger of RNA (mRNA) transcript translated by a ribosome.
        
             
        
        
        
I only know one for the first one, don't be mad, please.
1. I'm pretty sure one of them is membrane 
2. A cell can die through infection, poisoning, overheating, or even lack of oxygen.
3. I think it depends on how fragile the membrane of the cell is.
I'm so so so sorry if these didn't help, I'm trying my best, lol.