Therapeutic communities are a type of

Psychoactive drugs have which type of effect on the body?

If a change in environment resulted in the death of mycorrhizal fungi in an area, what impact would this have on the growth of plants in the area? Plant growth would [a] because mycorrhizal fungi [b].

Match each of the organs to its role in the digestive system.

The interior of the stomach is acidic, with a pH around 4. How does the acidity of the stomach contribute to digestion?

Which of the following features help terrestrial plants retain water and prevent dehydration in plants that have them? Choose both correct answers.

Different animals interact with plants as pollinators or seed dispersers. Identify whether each of the following is related to pollinators or seed dispersers. [a] aid in dispersal and founding of new plant populations [b] are typically attracted by floral characteristics [c] are typically attracted by fruit characteristics [d] enable sperm to reach eggs by helping the male reach the female

A toxin can bind to the gated sodium channels and prevent them from opening. This would directly prevent _____.

Plants take in all of the following nutrients through their roots EXCEPT for _____.

In the angiosperm life cycle, what is the function of each of the following?