Well, both have no skeletal or exoskeletal system and steal nutrients from their hosts. A leech though, usually steals nutrients from latching onto a host and stealing nutrients and such through blood. A tapeworm is accidentally ingested and lives in the stomach of its host, stealing the nutrients from the food the host eats. Hope this helps!
The answer is competition
Answer:
Explanation:
I think answer should be the first one
Answer:
A purine always forms a complementary base pair with a pyrimidine.
Explanation:
Purine bases such as Adenine pair specifically with Thymine , a pyrimidine base forming two bonds; just as Guanine pair specifically with Cytosine forming three bonds.
This specific base pairing are complimentary in nature and grants stability to the DNA.