<span>The minimal amount of nutrients needed every day by healthy people to prevent nutrient deficiencies is called the RDA.
RDA stands for recommended dietary allowances. </span>RDA's are established by the Food and
Nutrition Board of the National Academy of Sciences. There is a term RDI related to this. RDI stands for recommended daily intake.
Hiya,
The answer is Solar Energy.
Hope this helps!
They are both made up of organisms
The correct answer is B. Rabbit and grasshopper
Explanation:
In ecosystems, primary consumers refer to organisms that eat producers, which are in the first level and include plants as they produce their own energy. Due to this, primary producers include mainly herbivore animals such as cows, goats, sheep, etc. Moreover, primary consumers are the prey of other animals, which are known as secondary consumers. In the image presented, the primary consumers include the grasshopper and the rabbit because the arrows indicate they feed exclusively on grass, which is the producer of this food web.