12C. The food web below shows four trophic levels within an ecosystem. Which organism is part of the trophic level that stores 10% of the initial
amount of solar energy that has entered the food web?*
a: tree
b: hawk
c: deer
d: snake

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed

What vitamin gives carrots and sweet potatoes their orange color?

Are fatty streaks formed by multiple foam cells?