What is depicted in this figure? What are the two organisms that compose this structure?
Which organism is labeled B?
Define the type of symbiosis shown and explain how it works in the structure shown in the figure?
What forms a similar relationship with certain fungi, called mycorrhizae? What does the fungus do?

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion