A generalist species is able to survive in a wide variety of environmental conditions and can make use of lots of different resources. Generalist species have a big niche. Humans, rabbits, house flies, and raccoons would all fall under the generalist species list. 
A specialist species can only thrive is a small variety of environmental conditions and/or only has a limited diet. Specialist species have a small niche. Pandas, koalas, and salamanders would all fall under the specialist species list. 
 
        
             
        
        
        
<span>Radiochemical dating is the answer!</span>
        
                    
             
        
        
        
Here are some things that interfer with the ecosystem (highways, driving cars, fossil fuel, cities, farms, deforestation, over hunting, over fishing and plastics)
        
                    
             
        
        
        
Answer: They should be able to have access and deal with food distributed homogeneously in 360 degreea
Explanation:
This is because radially symmetrical animals meet their environment equally from every sides or angle e.g sessile while Bilateral symmetrical animals can move actively in only horizontal direction, so that they can eat. E.g Arthropods
 
        
             
        
        
        
 mitosis and meiosis 2 are similiar . 
 ... after mitosis , the daughter cells formed have the same numbeer of chromosomes and the number of  chro,ososme  after meiosis  also remain same . The causes of same number of chromosomes are ......
       ...... duplication of chromosomes do not during interkinesis occur . 
.............. if number of chromosomes also hhad remained half after meiosis 2 gametes so formed would be not normal .