Unit 2A Test Review

Which of the following best describes the first law of thermodynamics?

• Which of the following best describes the first law of thermodynamics?

• The energy involved in any physical or chemical change is neither created nor destroyed, but merely changed from one form to another.

• Heat always flows from a hot body to a cold body.

• Entropy of a system increases as the state of disorganization in the system increases.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Convert 2 L & 783 mL to mL.

A tiny filter-feeding barnacle sticks to a whale. The whale is unaffected by this new stowaway. What type of relationship is this?

• Mutualism

• Commensalism

• Parasitism

• Amensalism

Which level of this pyramid represents the largest amount of organisms?

• Primary Consumers

• Primary Producers

• Secondary Producers

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

Which level of the pyramid consumes the secondary consumer?

• Primary Consumers

• Primary Producers

• Secondary Producers

• Tertiary Consumers

Tags

NGSS.MS-LS2-2

How much chemical energy is transferred from the producer level to the secondary consumer level in a food chain?

• 1. 1/10

• 1/20

• 1/100

• 1/1000

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Many species together in one place are called

• 1. a niche

• a community

• a population

• 1. mutualism

In this picture, the robin can be a

• primary consumer

• 1. secondary consumer

• 1. producer

• 1. tertiary consumer

Tags

NGSS.MS-LS2-2

Organisms that eat both plants and meat are called

• 1. omnivores

• 1. herbivores

• 1. autotrophs

• 1. carnivores

Which of these is not an example of an abiotic factor?

• 1. soil

• 1. temperature

• 1. bacteria

• 1. rainfall