Igneous rock can be dated with

Sickle-cell disease was introduced through __________ and spread through the population due to __________.

Sexual dimorphism across primates is smallest in __________ groups, most extreme in __________ groups, and in between but still quite significant in __________ groups.

A volcanic eruption on the coast of Japan in 1850 deposits a layer of ash on top of a layer of red clay, and the ash is covered by a layer of silt in a tsunami in 1902. Archaeologists find a coin between the ash and the silt, and they find a small pot between the ash and the clay. Given this sequence of events, which statement is true?

Allen’s and Bergmann’s rules are perfect examples of natural selection’s effects on anatomical adaptations to environments in mammals. These include the

A client is scheduled for colon surgery that will require the placement of a colostomy. The wound, ostomy, and continence nurse (WOCN) will evaluate the patient for correct stoma placement. Which consideration by the nurse will most impact skin integrity?

A strepsirrhine is characterized by a

What is the name of the period associated with the shift from foraging to farming?

How does the masticatory-functional hypothesis explain the observed craniofacial changes in conjunction with the shift to agriculture?

If 70% of the hypothetical population passed along allele B, the dominant allele for brown eyes, and 30% passed along allele b, the recessive allele for blue eyes, what would be the proportion of the subsequent generation with brown eyes, given the Hardy–Weinberg equilibrium?