I am pretty for sure the answer is C.
Answer:
The scientist tested one variable to determine what caused the number of leaves to change.
Explanation:
A simple columnar epithelium<span> is a </span>columnar epithelium<span> that is uni-layered. In humans, a simple </span>columnar epithelium<span> lines most </span>organs<span> of the digestive tract including the stomach, small intestine, and large intestine. Simple columnar epithelia line the </span>uterus<span>.</span>
Answer:
I don't think so but u have to find out for your self
Answer:mutualism
Explanation:
In a mutualistic relation,both organisms involved benefit from the activities of each other. The benefits may be nourishment,shelter, protection etc.
In the above example,the birds are known to guide humans by responding to specific calls made by the human. They guide humans to beehives and then in return gets to feed on left over honey. Both the bird and human benefits by getting nourishment.
Mutualism is unlike parasitism where one of the organism involved benefits and the other organisms Is most likely harmed. It is also not commensalism, where one organism benefits and the other neither benefits nor is harmed
