Match Each Group of Organisms with Its Lineage

question 45

Multiple Choice

Match each group of organisms with its lineage. Each lineage will be used only once.
-sea stars

• A)Petromyzontidae
• B)Amphibia
• C)Crinoidea
• D)Metatheria
• E)Chondrichthyes
• F)Actinopterygii
• G)Urochordata
• H)Aves
• I)Myxinoidea
• J)Holothuroidea
• K)Cephalochordata
• L)Eutheria
• M)Ophiuroidea
• N)Testudinata
• O)Squamata
• P)Asteroidea
• Q)Prototheria
• R)Echinoidea
• S)Hemichordata

---

Definitions:

R&D Expenditures

Research and Development Expenditures pertain to the funds allocated by businesses or governments towards the research and development of new products, services, or technologies.

Inverted-U Theory

The idea that, other things equal, R&D expenditures as a percentage of sales rise with industry concentration, reach a peak at a four-firm concentration ratio of about 50 percent, and then fall as the ratio further increases.

Interest-Rate Cost

The cost associated with borrowing funds, typically expressed as a percentage of the total amount loaned.

Expected Rate

Expected rate often refers to the anticipated return on an investment or the predicted growth rate of an economic variable over a certain period.