<span>c. They can be introduced within their natural range.</span><span>
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>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.
Answer:
A
Explanation:
Molecular biology explores DNA sequences, and of amino acid sequences in proteins, between species and deduces relationships based on degrees of similarity and differences in the sequences. This has been shown to support and corroborate evolutionary evidence based on fossils findings.
Answer:
DNA extraction is a routine procedure used to isolate DNA from the nucleus of cells. When an ice-cold alcohol is added to a solution of DNA, the DNA precipitates out of solution. If there is enough DNA in the solution, you will see a stringy white mass.
Explanation:
The deficiency of vitamin B12 is a very rare case that would give rise to many conditions such as muscle cramps, difficulty walking, and numbness. This vitamin is crucial to the body and is also sometimes referred to as cobalamin.
