I believe the answer would be B.
Answer:
cell wall
Explanation:
plant cells have a cell wall and animals do not
D! Commensalism is one organism benefits and the other is unaffected !
Answer:Enzymes are proteins that act as biological catalysts. Catalysts accelerate chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products.
Ans. (A).one species would be force to leave.
A niche is defined as a specific area, where an organism lives and interacts with all the abiotic and biotic factors that affect it.
Two organisms cannot survive in the exactly same habitat as they will compete for same resources, so one will die). Hence, one of the two competing species gets evolved to use a different niche and uses different sources. This is known as resources partitioning and helps the organisms to coexist by reducing competition between them.
Thus, the correct answer is option (A).
