Answer:
is d. The bacteria have high genetic variability and high reproductive rates.
Explanation:
Mutualism is relationship that is beneficial to both organisms involved. The relationship between a plant and a bacterium called a mutualism because both of them help each other. Bacteria are involved in increasing the fertility of the soil by fixing atmospheric nitrogen and thus provide plant with nitrogen. In return, the bacteria make their homes in what usually become nitrogen "nodules" along plant roots. The plant gets food, the bacteria gets shelter, everybody wins.
Answer:
vestigial structures are considered evidence because scientists believe they are structures that were once used by a species ancestors but are not longer needed. these structures do not impair the organism in any way, so there is no need for evolution to get rid of them. for example, the human appendix is considered a vestigial structure.
Explanation:
:D
The female duct system is composed of the following organs:
a. Fallopian tubes - this is like a bridge that serves as a passage way for eggs from the ovaries to be delivered to the uterus.
b. Ovaries - are egg cells within the female reproductive system that when mature may develop into a fetus or become a regular menstrual period for women.
c. Uterus - This is where the mature ovaries begin to develop and start to form new life.
Answer:
after nutrients are absorbed during digestion,the excretory system removes faeces through the rectum. these work together to maintain oxygen homeostasis.
