Number 3 and 4 are the correct answers hope this helped
        
             
        
        
        
<span>invasive
Invasive species can threaten an ecosystem and the biodiversity of the organism that exist in the present environment when the invasive species increase rapidly in number. 
</span><span>Exotic species are a threat to biodiversity because they alter the ecosystem of that area. They share food and habitat resulting in unbalanced ecosystem. Also, habitat destruction destroys the habitat of all the life forms in that area. </span>
        
             
        
        
        
The answer is ‘the only truly distinctive primate trait’. Prehensile hands are a distinctive trait of primates an opposable thumb (capable of grasping). The digits have  nails instead of claws, and tactile pads enriched with sensory nerve fibers at the ends of digits to feel to manipulate objects.
 
        
             
        
        
        
Answer:
Allele g is recessive, so over time, Allele G is expressed more and more (allele G is dominant) through either homozygous dominant (GG) or heterozygous dominant (Gg) while allele g is only expressed when there is an homozygous recessive (gg).
Explanation: