B. It goes in an equation: Reactants <-> Products
Answer:
Women need more iron than men to make up for the amount of iron they lose in their menstrual period.
Explanation:
Grasses are the producers. Gazelles, warthogs, and wildebeests are primary consumers. Lions and cheetahs would be the secondary consumers.
Answer:
Make sure everyone meets criteria.
Not taking supplements( As some may contain Vit D)
No tanning beds
make sure no one has a hypoactive response to vitamin d through whatever way. Injection, capsule, spray.
Check for genetic conditions or cancers like melanoma which indirectly affect vitamin d levels
Explanation:
These are some of the main things to look out for
Food web only contains interactions between trophic levels while an interaction web shows both trophic and non-trophic interactions.