Semen is a mixture of sperm and seminal fluid, a liquid that consists of the secretions of the seminiferous tubules, seminal vesicles, prostate, and bulbourethral glands.
The seminal fluid (which is primarily composed of water, fructose, proteins, minerals, and other micronutrients) provides the sperm with a transportation medium, nutrients, and protection from the hostile acidic environment of the male’s urethra and the female’s vagina.
D. parasitism
The flea is gaining nutirents but since the dog is being harmed the flea is a parasites
Answer:
2-Air masses are colliding with each other.
Explanation:
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- From the image given below its clear that the warm is rising upwards and as a result of the collision from the cold winds or front from below, hence the development of clouds that make the thunderstorms appear.
- And a result of this turbulent the rising air is pushed and the warm front cycle takes a turn and will lead to either development of cyclone or rainfall.
Answer: Where it gets food.
Explanation: There is multiple tropic levels btw
Answer:
Throat infection turns into Tuberculosis.
Explanation:
A small infection can be changed into a big disease if it can't be controlled through medication and treatment. For example, at first coughing occurs due to throat infection but increase its intensity leads to more damaged to the throat which leads to the Tuberculosis disease. So this means that if the duration of a small disease increases, it turns into a big problem.