In a mutualistic relationship, both species benefit.
Predation is when a predator eats another organism, in which the predator benefits and the other organism dies.
In parasitism the parasite benefits while the host is harmed.
In competition, neither species benefits because they're too busy fighting over resources.
Commensalism is when only one of the two species benefits but the other is not harmed.
Answer:
B
Explanation:
SSRI stands for Selective Serotonin Reuptake Inhibitor. SSRI antidepressants are a type of antidepressant that work by increasing levels of serotonin within the brain.
There are nine separate layers of cartilages that protect and frame larynx. The nine layers of cartilages include laryngeal cartilage, cricoid cartilage, two arytenoid cartilages, two cuneiform cartilages, two corniculate cartilages and epiglottis. It is more pronounced in male than in female. all these structures function together to facilitate various process such as respiration vocalization, air protection and swallowing of substances from the mouth into esophagus.
Answer:
struggle for existence
survival for the fittest
Explanation:
In struggle for existence, members of the species die due to competition among individuals for food. The better suited giraffes with long necks could feed on the trees and survived.
In survival for the fittest, the well adapted long-necked giraffes were able to survive and reach the reproductive age to pass over their desirable traits to their offspring.
Group 2
Excretory system implys the removal of waste.
