Ecosystems Unit Review

The study of environmental science primarily considers

• interactions among human systems and those found in Earth

• the effect of human systems

• abiotic factors that influence the state of our environment

• factors that affect global climate change

Tags

NGSS.MS-ESS3-4

An ecosystem is a location on Earth that includes

• only biotic components

• only abiotic components

• interacting biotic and abiotic components

• positive and negative feedback loops

Tags

NGSS.MS-LS2-3

Which best describes the difference between an environmentalist and an environmental scientist?

• the difference is unimportant because both care about Earth

• an environmentalist follows a belief system; an environmental scientist is concerned with the methods of science

• an environmentalist studies the humanities; an environmental scientist has a background in biology and chemistry

• an environmentalist is concerned with abiotic factors; an environmental scientist studies biotic factors

Living in a sustainable way refers to

• recycling all paper, plastic, and metals

• using resources in a way that does not deprive future generations

• using Earth's resources efficiently

• eating locally whenever possible

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which of the following is a qualitative observation?

• 15 inches

• a liquid

• a green solution

• 6 feet 1 inches

Which is NOT a common issue with experimental design?

• having only uncontrolled variables

• no repeated trials

• having control groups

• having more than one independent variable

Tags

NGSS.MS-PS2-2

Place the ecology levels of organization in proper order (smallest to largest)

• organism > population > community > ecosystem > biosphere

• community > organism > ecosystem > biosphere > population

• organism > community > biosphere > population > ecosystem

• population > biosphere > ecosystem > community > organism

A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.

• Commensalism

• Parasitism

• Symbiotic

• Mutualism

The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.

• Commensalism

• Parasitism

• Symbiotic

• Mutualism

Tags

NGSS.MS-LS2-2

A positive feedback loop occurs

• when a system responds to a change by returning to its original state

• when feedback into a system decreases a rate of response

• when a system is in a steady state

• when feedback into a system increases a rate of response