Answer:
One organism benefits while the other is killed, this relationship is called parasitism.
Explanation:
Parasitism is symbiotic relationship between two organisms in which one gets benefit and the other get harm. Those organisms which feed on other organisms and causes damage to them is known as parasites. There are two types of parasites. Those parasites which lives inside the host body is called endoparasite while those parasites which lives outside the body of host is known as exoparasite.
Answer:
Most cats have 18 toes
Explanation:
5 toes in each of the front feet, and 4 toes in each of the back.
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It decreased the amount of carbon dioxide in the air and increased the amount of oxygen because plants go through photosynthesis and convert carbon dioxide to oxygen in the process.
Answer:
The correct answer is A) defending.
Explanation:
Antibodies correspond to proteins of the immune system which recognize and neutralize foreign agents to the body (eg viruses, bacteria, toxins). They are produced by type B lymphocytes. By recognizing foreign agents (antigen) the antibodies circulate in the blood attacking them and generating immunity, before a new attack by the same agent.