STAAR Biology Category 5

A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

Tags

NGSS.MS-LS2-2

symbiotic relationship in which both organisms benefit

• competition
• Mutualism
• nitrogen fixation
• energy pyramid

Tags

NGSS.MS-LS2-2

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Tags

NGSS.MS-LS2-4

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Tags

NGSS.MS-LS2-4

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

Tags

NGSS.MS-LS2-3

A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?

• The frogs make energy available to this ecosystem through the process of photosynthesis.
• The algae directly provide food for both the rotifers and the catfish.
• The green-backed heron provides energy for the mosquito larvae.
• The catfish population helps control the populations of water boatman and waterfleas.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

According to the food web, which of these supply energy for all the other organisms?     

• snakes
• insects
• grasses
• cougars

Tags

NGSS.MS-LS2-3

Striped fish are affected by abiotic and biotic factors in the environment.  Which of these factors is biotic?

• water temperature
• mineral nutrients
• algae
• sediment

Tags

NGSS.MS-LS2-4

Refer to the illustration above. Level “A” is composed of

• secondary consumers
• primary consumers
• producers
• predators

Tags

NGSS.MS-LS2-3

When an organism dies, the nitrogen in its body

• can never be reused by other living things.
• is immediately released into the atmosphere.
• is released by the action of decomposers.
• None of the above

Tags

NGSS.MS-LS2-3