Most animal cells are organized into tissues that are made of at least one cell type organized to perform specific functions. In animals, at least two tissue layers are present, but most animals have a third tissue layer from which the inner organs develop, known as the:

The ___ allowed ___ the ability to exploit new habitats further inland and away from water sources

Which phylum includes aquatic, sessile animals that lack symmetry, true tissues, or organs and are commonly shaped like columnar vases?

In what way can ectotherms such as reptiles and insects maintain their internal body temperature?

Echinoderms, which includes 5 classes (Asteroidea, Ophiuroidea, Echinoidea, Crinoidea, and Holothuroidea), are an example of:

Basal metabolic rate (BMR) is a specific type of measurement of metabolic rate. Which statement regarding BMR is incorrect?

A(n) ____________________ is a fixed gross amount of pay, equally distributed over periodic payments, without regard to the number of hours worked.

Robert works for Southern Consulting as a sales executive. He is paid a monthly salary of $3,350.00 plus a straight commission of 4.3% on all sales over $10,000.00. If he sells $15,300.00, what is his total commission for the month?

Jessica has a job making baskets. Last week she made a total of 230 baskets. Calculate her gross pay if she is paid on the following differential piecework schedule:  Pay Level Items Produced Rate 1 1−105 $7.10 2 106−255 $8.14 3 Over 255 $9.78

Gross earnings  is