$\text{\red{ Form an Opinion}}$ Should a vegetarian be concerned about eating a GM plant that contains DNA from a pig gene? Support your answer with details from the text.

Which of the following items are properly classified as part of factory overhead for Ford Motor Company, a maker of heavy automobiles and trucks? b. Depreciation on Flat Rock, Michigan, assembly plant

This illustrates how a hybrid zone can change over time. Imagine that two finch species colonize a new island and are capable of hybridizing (mating and producing viable offspring). The island contains two plant species, one with large seeds and one with small seeds, growing in isolated habitats. If the two finch species specialize in eating different plant species, would reproductive barriers be reinforced, weakened, or unchanged in this hybrid zone? Explain.

A farmer wants to know if an insecticide is effective in preventing small insects called aphids from damaging tomato plants. The farmer experiments with 80 plants and records the results in the two-way frequency table. Find whether a plant that was sprayed with insecticide and a plant that has aphids are independent events.

In a plant cell, where do the light reactions of photosynthesis occur?

$$\textbf{\ \ a.}\text{ the stomata}$$

$$\textbf{\ \ b.}\text{ the stroma}$$

$$\textbf{\ \ c.}\text{ the thylakoids}$$

$$\textbf{\ \ d.}\text{ the mitochondria}$$

Choose the best answer. To estimate gross primary production, researchers can use all of the following variable combinations EXCEPT (a) net primary production and plant respiration. (b) $\mathrm{CO}_{2}$ taken up by plant in sunlight and $\mathrm{CO}_{2}$ produced by plants in the dark. (c) $\mathrm{CO}_{2}$ released by plants in sunlight and $\mathrm{CO}_{2}$ produced by plants in the dark. (d) the amount of photosynthesis occurring over time.

Assume that the following employees lose their jobs for the stated reasons. Should they be eligible to receive unemployment compensation? Explain the reasons for your answers.

When business declines, the company closes the plant where Alonzo works. The company offers him a job at its other plant, which is one and a half hours away by car. Alonzo turns down the new job because he does not want to commute that far to work each day .

Write a report summarizing the most common method used to propagate each of the plants you researched. Explain why each plant is usually propagated by this method instead of another method.

Organize the plant organs by completing the table. The first row has been filled in for you.

$$\begin{matrix} \text{ } & \text{Location} & \text{Purpose} & \text{Plant organ?}\\ \text{cuticle} & \text{on stems and leaves} & \text{reduce water loss} & \text{no}\\ \text{leaf} & \text{grows from stem}\\ \text{root}\\ \text{vascular tissue}\\ \text{seed} & \text{ } & \text{protects embryo from dying}\\ \end{matrix}$$

Which of the following would probably be a variable cost in a soda bottling plant?

a. Direct labor
b. Bottles
c. Carbonated water
d. Power to run the bottling machine
e. All of these.

Repeat Prob. 2-81, assuming the electricity is produced by a power plant that burns coal. The average production of $\text{CO}_{2}$ in this case is 1.1 kg per kWh.

New potato plants are created from pieces of the parent plant. So a potato crop has the same genetic makeup as the parent plant. In 1845, Ireland was stuck by a potato famine. A rot-causing fungus destroyed potato crops, which were an important part of the Irish diet. Many people died of starvation, and many more left the country to find food. What could farmers do to prevent another potato famine?

Suppose a power plant delivers energy at $880 \mathrm{MW}$ using steam turbines. The steam goes into the turbines superheated at $625 \mathrm{~K}$ and deposits its unused heat in river water at $285 \mathrm{~K}$. Assume that the turbine operates as an ideal Carnot engine. If the river flow rate is $37 \mathrm{~m}^3 / \mathrm{s}$, estimate the average temperature increase of the river water immediately downstream from the power plant.

Explain where each of these items would appear on a multiple-step income statement: gain on disposal of plant assets; cost of goods sold; depreciation expense; and sales returns and allowances.