Q: If a willow oak leaf is 5.5 inches long, how many centimeters is it? (Use $$1 \mathrm{in} = 2.54 \mathrm{cm})$$

$$5.5 \mathrm{in} \times 2.54 \mathrm{cm/in} = 13.97 \mathrm{cm}$$

Q: Which of the following is the correct scientific notation for 10000.1 L?

$$1.00001 \times 10^4$ \mathrm{L}$$

Q: Which of the following is a correct conversion for 0.000004 L into scientific notation?

$$4.0 \times 10$$^{-6}$$ \mathrm{L}$$

Q: An osprey is flying at 45 km/hr during its spring migration. What is its speed in m/s? (Use $$1 \mathrm{km} = 1000 \mathrm{m}$$ and $$1 \mathrm{hr} = 3600 \mathrm{s})$$

$$45 \mathrm{km/hr} \times \frac{1000 \mathrm{m}}{1 \mathrm{km}} \times \frac{1 \mathrm{hr}}{3600 \mathrm{s}} = 12.5 \mathrm{m/s}$$

Question 1

Which of the following is an example of an abiotic factor that could influence the distribution of organisms on Earth?

Accepted Answer

Average annual temperature

Question 2

A researcher is studying the effect of soil pH on plant growth in a local ecosystem. Which level of ecology does this study best represent?

Accepted Answer

Organismal ecology

Question 3

Which of the following is a biotic factor that could affect the abundance of acai palms in a tropical biome?

Accepted Answer

Presence of pollinating insects

Question 4

If a willow oak leaf is 5.5 inches long, how many centimeters is it? (Use $$1 \mathrm{in} = 2.54 \mathrm{cm})$$

Accepted Answer

$$5.5 \mathrm{in} 	imes 2.54 \mathrm{cm/in} = 13.97 \mathrm{cm}$$

Question 5

Which of the following best describes the concept of a 'niche' in ecology?

Accepted Answer

The role and range of conditions an organism can tolerate and resources it uses

Question 6

Delmarva is colder than Brazil primarily because:

Accepted Answer

Delmarva receives less solar radiation due to its higher latitude

Question 7

Which of the following is the correct scientific notation for 10000.1 L?

Accepted Answer

$$1.00001 	imes 10^4$ \mathrm{L}$$

Question 8

Which of the following strategies would best help scientists study the effects of climate change on biomes?

Accepted Answer

Comparing historical climate data with current species distributions

Question 9

Net primary productivity (NPP) is best defined as:

Accepted Answer

The amount of energy available to consumers after subtracting energy used by producers for respiration

Question 10

Which of the following is a correct conversion for 0.000004 L into scientific notation?

Accepted Answer

$$4.0 	imes 10$$^{-6}$$ \mathrm{L}$$

Question 11

Which of the following is NOT a typical section found in a primary research paper in biology?

Accepted Answer

Personal reflections

Question 12

An osprey is flying at 45 km/hr during its spring migration. What is its speed in m/s? (Use $$1 \mathrm{km} = 1000 \mathrm{m}$$ and $$1 \mathrm{hr} = 3600 \mathrm{s})$$

Accepted Answer

$$45 \mathrm{km/hr} 	imes \frac{1000 \mathrm{m}}{1 \mathrm{km}} 	imes \frac{1 \mathrm{hr}}{3600 \mathrm{s}} = 12.5 \mathrm{m/s}$$

Question 13

Which of the following statements about peer review is correct?

Accepted Answer

Peer review is a process where research papers are evaluated by experts before publication

Question 14

Which of the following is an example of an anthropogenic biome (anthrome)?

Accepted Answer

A city park

Question 15

Which of the following is a secondary source in scientific literature?

Accepted Answer

A review article summarizing multiple studies

Question 16

Which of the following is a correct conversion for 56712 mL to L?

Accepted Answer

$$56712 \mathrm{mL} 	imes \frac{1 \mathrm{L}}{1000 \mathrm{mL}} = 56.712 \mathrm{L}$$

Question 17

Which of the following is a reason why Ocean City is cooler than Salisbury in the summer?

Accepted Answer

Ocean City is closer to the ocean, which moderates temperature due to water's high specific heat

Question 18

Which of the following is the correct formula for calculating net primary productivity (NPP)?

Accepted Answer

$$\mathrm{NPP} = \mathrm{GPP} - \mathrm{R}$$

Question 19

Which of the following is a correct statement about the use of SI units in biology?

Accepted Answer

SI units provide a standardized way to report measurements, allowing for comparison across studies

Question 20

A study plot on campus must be less than 6 ha. How many $$m^2$$ can it be? (Use $$1 \mathrm{ha} = 10,000 \mathrm{m}^2)$$

Accepted Answer

$$6 \mathrm{ha} 	imes 10,000 \mathrm{m}^2/\mathrm{ha} = 60,000 \mathrm{m}^2$$

Introduction to Ecology: Study Guide and Key Concepts

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