Referring to the image below, indicator 9 is pointing to which of the following?  

Referring to the image below, which structure are indicated by #2?  

Like all organisms of phymum Mollusca, Cephalopods have an open circulatory system.

Stimulus generalization refers to responding that occurs in the presence of new stimuli that share properties with a discriminative stimulus (SD).

A lichen is a ______________ association between a mycobiont and photobiont.

Which of the following statements about cnidarians is false:

In a conditional discrimination task, a child is presented with a sample card showing the word “red.” If she selects the matching “red” card from an array of four, the reinforcer is delivered.    This is an example of what?  

A teenager usually jokes around at dinner with her family. However, when her father “looks serious,” she stops joking. In this example, the father’s serious expression functions as what?

 Letter A demonstrates coenocytic hypha

 Based on the above phylogenetic tree, which group is sister to Fungi?