EEB

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Consumer

• Mutualist

Tags

NGSS.MS-LS2-1

Wetlands are a valuable ecological resource because they

• contain a large coral population

• purify polluted waters

• have low annual rainfall

• control bird populations

Tags

NGSS.MS-LS2-5

What is the carrying capacity of an ecosystem?

• the total number of organisms alive at the same time in an ecosystem

• the minimum number of individuals needed to have balance in an ecosystem

• the total number of individuals, living and dead, that have been supported by an ecosystem

• the maximum number of individuals that an ecosystem can support without harming the ecosystem

Tags

NGSS.MS-LS2-4

Which is a biotic factor that could affect an ecosystem?

• dust storms moving through an ecosystem

• bacteria harming the health of organisms in an ecosystem

• large amounts of acid rain precipitation seeping into the soil in an ecosystem

• high levels of carbon dioxide entering the atmosphere within an ecosystem

Tags

NGSS.MS-LS2-4

Which action will most likely cause a negative impact on the biodiversity of a small region?

• planting native species in a bare field to attract wildlife

• draining a wetland for the development of a new building

• reducing the amount of pesticides and fertilizers used

• using farming techniques that reduce soil erosion

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

An estuary is a shallow bay along a coast with a river running into it. Organisms living in an estuary would MOST likely have to adjust to changes in which factor?

• salinity

• sunlight

• wave action

• precipitation

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which is a MAJOR cause of acid rain?

• spraying pesticides on crops

• burning fossil fuels for energy

• dumping sewage in rivers

• using Nuclear power stations

How is acid rain formed?

• Carbon monoxide and carbon dioxide mix with water in the ocean.

• Carbon dioxide and oxygen mix with water in the air.

• Sulfur dioxide and carbon monoxide mix with lake water.

• Sulfur dioxide and nitrogen oxide mix with water in the air.

Tags

NGSS.MS-PS1-2

Kepler's 1st Law of Planetary Motion states that the orbits of celestial bodies is what shape?

• Circle

• Conical

• Ellipse

• Sphere-shaped

What is the name of the theory that describes how star systems form from clouds and dust.

• Big Bang theory

• Nebular theory

• Origins theory

• Stardust theory