On the following image, click on the apex of the gastropod shell.

What is the main driver of evolution in the above scenario? 

The specimen belongs to the class

Click on the pair of anatomical structures that are analogous

True or false: a palynologist can determine the specific environment by examining the amount of pollen present.

Identify the following specimen to phylum level.

Identify the specimen to phylum level.

Taylor enters a negotiation determined to stick rigidly to her exact opening position because she believes compromising signals weakness. Taylor’s approach shows mastery of the “principles vs. flexibility” paradox because she is protecting her interests by refusing to move.

Marcus is negotiating salary for a new job. The offer is below market rate, but he tells the employer he will do “whatever it takes” to make the deal work because this is his dream company. By signaling he is unwilling to walk away, Marcus reduces his leverage in the negotiation.

Becky would like to sell her 2003 Ford Ranger. She advertised the truck at $3,800 in the local newspaper. She hopes to sell it for $3,500. The lowest price she will accept before selling is $3,300. If she doesn’t receive an offer of at least $3,300, she will donate her truck to charity for a tax deduction. Alec would like to buy her truck, and he thinks he can get it from Becky for $2,800.  The most Alec would pay is $3,000. $2,800 represents Alec’s ______.