fats, oils and proteins are all what type of nutrient
What will be an ideal response?
lipids
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Arbuscular mycorrhizal fungi invade plant roots, with many species forming mutualistic associations that benefit both the fungus and the plant.
Answer the following statement true (T) or false (F)
The enzyme produced by the pancreas for the digestion of proteins is
What will be an ideal response?
In small aquatic animals, such as hydra and planarians, the most common structure used for gas exchange is the
A. cardiovascular system. B. body surface. C. gills. D. lungs.
Comparison of the human ecological footprint to Earth's biocapacity suggests that
A) the human population can continue at its present level of resource usage indefinitely. B) global warming is seriously damaging most ecosystems. C) the human population is growing slowly. D) the human population will soon rapidly decrease in size. E) the human population cannot sustain its current level of resource usage.