I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.
Answer:
The correct answer is - decreased population size at all levels.
Explanation:
A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers.
It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.
Epimysium surrounds the total bundle of many fascicles - as compared with perimysium, <span>(the fibrous </span>sheath<span> that surrounds and protects individual fascicles, filling the spaces between the fascicles within the bundle of fascicles that forms the muscle itself)</span>
Answer:
If you want to lose one kg of your weight, you need to create calorie deficit of 7,700. So if you want to lose one kg per week, you need to create approximately 1,000 calorie deficit every day. If you create 1,000 calorie deficit every day, you will lose one kg of your weight in seven-eight days
