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?

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a. both make it possible for the conditions in the interior to be different from the conditions outside. b. both provide a barrier that keeps water from flowing across it so the interior remains dry. c. both separate the rna that forms in the interior from any rna that might form in the environment. d. both can actively move molecules into the interior or out into the surrounding environment.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

List two modern organisms that have pentameral symmetry