Ecology and Human Impact Practice TEST

What is an invasive species?

• An organism that is new to an environment that has positive effects on the environment.

• An organism that is native to an environment that has negative effects on the environment.

• An organism that is new to an environment that has negative effects on the environment.

• An organism that is native to an environment that has positive effects on the environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

New fuels are being produced by converting corn and grasses into compounds containing alcohols that can be broken down for energy in various engines. The purpose of this research is to

•  reduce the use of nonrenewable resources.
• increase the rate of air pollution.
• reduce the rate of homeostasis in organisms.
•  cause a loss of biodiversity in the rain forests.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas suggests that

• . ecosystems are interconnected and human action can alter ecosystem equilibrium.
• recycling programs have failed to conserve biotic resources.
  
• natural processes can alter ecosystem stability.
•  direct harvesting practices have led to irreversible destruction of ecosystems.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

The northern elephant seal was almost hunted to extinction in the 1800s. By the late 1890s, approximately one hundred seals were left, reducing the gene pool of the population. What will be the consequence of this reduction?

•  Competition within the population will increase.
• The surviving elephant seals will be better able to adapt.
•  Inbreeding will be less frequent among the remaining population.
• The elephant seals will be more vulnerable to environmental change. 

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

A strip mining company wants to lease some land that is currently part of a national park. They promise to reclaim the land should any minerals be mined from the area, and they are willing to pay top dollar for the rights. As an ecologist, what factors would you raise with the local government?

• the threat to local biodiversity
• management of the land after the company leaves
• the new jobs that would be created
• the increased traffic in the area

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

These are interactions where organisms struggle to get the resources they need.

• grocery shopping
• hunger
• competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

An organism's role in a community is its' _____

•  Niche 
• Competition 
• Mutualism
• Parasitism