Answer:
Compare the carboniferous period to the Devonian period is compared below in details.
Explanation:
In the Devonian Period, woods and land plants developed and vertebrates performed their presentation. Four-legged vertebrates developed during the Carboniferous Period, which created an improvement in the number of land-based bodies. The climate of the continental inland sections was very heated through the Devonian Period and usually quite dry while woods and land plants developed during the Carboniferous period.
 
        
                    
             
        
        
        
Answer:
ok, so if an hiv is a virus that attacks the immune system, how does that affect you?
 if your immune system is weak in a moment, bad bacteria can enter your blood and cause problems and weaken your immune system even more. 
its really bad for a person's health, it weakens your immune system so your body has a tougher time fighting against a virus. 
 
        
                    
             
        
        
        
Answer:
- G1: One copy of the B allele per cell
- G2: Two copies of the B allele per cell
- metaphase of mitosis: Two copies of the B allele per cell
- metaphase I of meiosis: Two copies of the B allele per cell
- metaphase II of meiosis: One copy of the B allele per cell
- second cytokinesis following meiosis: One copy of the B allele in only two of the four daughter cells. 
Explanation:  
Due to technical problems, you will find the complete explanation in the attached files
 
        
             
        
        
        
A group of organs that work together to perform a common function is an organ system
        
                    
             
        
        
        
<em> </em><em>characteristics</em><em> </em><em>of</em><em> </em><em>single</em><em> </em><em>cellular</em><em> </em><em>organism</em><em> </em><em>:</em>
- <em>all</em><em> </em><em>life</em><em> </em><em>processes</em><em> </em><em>are</em><em> </em><em>conducted</em><em> </em><em>by</em><em> </em><em>single</em><em> </em><em>cell</em>
- <em>reproduces</em><em> </em><em>asexually</em><em> </em>
- <em>generally</em><em> </em><em>have</em><em> </em><em>special</em><em> </em><em>projections</em><em> </em><em>for</em><em> </em><em>movement</em><em>.</em><em> </em>eg. cilia in paramesium .
- <em>food</em><em> </em><em>and</em><em> </em><em>other</em><em> </em><em>substances</em><em> </em><em>are</em><em> </em><em>transported</em><em> </em><em>by</em><em> </em><em>diffusion</em>
<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em>