2.1.1-2.1.4

Some birds live in close association with horses. These birds feed on insects that are parasites to horses. Which type of relationship between the horses and these birds does this illustrate?

• Parasitism
• Mutualism

What is the function of autotrophs in an ecosystem?

• Use CO2 to make Sugar
• Use O2 to make Sugar
• to feed on herbivores
• to take in excess water

Tags

NGSS.MS-LS1-6

In an experiment, Pavlov caused a dog to salivate when it heard the ring of a bell. Which type oflearning was demonstrated by the dog?

• Imprinting
• Trial and error
• Habituation
• Classical Conditioning

Two different populations of mice live in the same area and eat the same types of food. Which describes the relationship between the two populations of mice?

• Predator-Prey
• Competition
• Mutualism
• Parasitism

Tags

NGSS.MS-LS2-2

What happens if decomposers are removed from an ecosystem? 

• The amount of carbon dioxide in the atmosphere will increase.
• The amount of carbon dioxide in the atmosphere will decrease.
• The amount of carbon dioxide used by producers will increase.
• The amount of carbon dioxide needed by consumers will decrease.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A field ecologist wants to determine the interactions of various populations of organisms living in a large grassland field. Which method is best for conducting this study?

• consulting with local farmers about the diversity of organisms in the field
• dividing the field in half, walking over it, counting organisms, and then doubling the numbers
•  walking over the entire field, collecting the organisms, and then compiling a total
• observing the behaviors of different types of organisms several times during the year

Tags

NGSS.MS-LS2-2

What is the name of the relationship where two organisms benefit?

• Mutualism/ Symbiotic
• Parasitism

Which organism has a positive phototactic response?

• Paramecium
• Euglena
• Amoeba

At night, moths travel toward light. Which type of behavior does this describe?

• Imprinting
• Innate
• learned behavior

Carrying Capacity is reached during which type of growth

• Exponential Growth/ J Curve
• Logistic Growth/ S Curve

Tags

NGSS.HS-LS2-1