Unit 9: Ecology

All of the following statements concerning characteristics of predator-prey relationship are correct EXCEPT:

• Camouflage is an adaptation that protects prey.
• A rise in the population of predators is followed by a decreased in the population of prey.
• A rise in the population of prey is often followed by a rise in the population of predators.
• The population of predators most often eliminates the population of prey

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which kind of dispersion is #1?

• clumped
• random
• uniform

Tags

NGSS.HS-LS3-3

The process used by some producers of capturing energy from nonliving sources such as gasses emitted in deep sea vents.

• Chemosynthesis
• Photosynthesis
• Percolation
• Respiration

Tags

NGSS.MS-LS2-3

Invasive species are:

• non-native
• harmful to an ecosystem
• organisms that can lack predators in the new environment
• all of the answers are correct

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which letter shows a mature, well-established population in favorable conditions?

• A
• B
• C
• D

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

NGSS.HS-LS2-6

Which letter shows the the exponential growth of a population?

• A
• B
• C
• D

Tags

NGSS.MS-LS1-5

Two animals live together in close association.  One benefits, while the other is unaware of the first animal. The relationship is best described as

• Parasitism
• Mutualism
• Commensalism
• Predation

Refer to the diagram of the survivorship curve.
Which curve best describes an organism that invests a lot of energy in parenting?

• A
• B
• C
• this is not a survivorship curve

Tags

NGSS.MS-LS1-4

Which of the following encompasses all the others?

• ecosystem
• community
• population
• individual

Which of the following is NOT an abiotic factor?

• air 
• water 
• decomposers 
• temperature