Figure 8.2 Skeleton: (A) anterior view; (B) posterior view. Reference: Figure 8.2 In Figure 8.2, identify number 22.

Plant photosystems are located in ________.

Suppose Ouai, a haircare company, produces shampoo using a production process represented by the following production function: . This firm exhibits ___________ returns to scale.

Economic efficiency is concerned with both input quantities and input prices, while technical efficiency considers only input quantities.

Which of the following statements best describes a production function? 

A firm that engages in efficient production

You learned about characteristics and examples of mammals included in the image included.  Choose the best answer that identifies the mammals and the groups they belong to in the image labeled 1, 2, and 3.              

Match the example to the type of defense against predation or herbivory  

Examine the image of a food web.  The following trophic levels are illustrated in the food web: producers, primary consumer, secondary consumer, tertiary consumer, top consumer.  Identify the trophic level(s) of the of the owl (in red circle) in the food web.

One of the major adaptations of plants is alternation of generations.  Examine the figure included and use the word bank to fill in the blanks. Word Bank: diploid, gametophyte, genotype, haploid, heterozygous, homozygous, sporyphyte, amniotes Plants display alternation of generations.  Sporophytes are [answer1]. Gametophytes are [answer2]. The dominant generation in bryophytes is the [answer3] generation.  The dominant generation in gymnoperms is the [answer4] generation.