Ecology

Define ecology

• is the study of how organisms interact with one another

• is the study of how organisms interact with one another and with their physical environment.

• is the study of how organisms interact with one another and with their chemical environment.

• is the study of how organisms interact with one another and with their bodies.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Define community

• Two or more species of organisms in their environment

• The interaction between living organisms and their environment

• All the organisms of the same or closely-related species

• Two or more populations of organisms

Changes in WHICH of the following biotic factors will result in a change of an ecosystem's structure and composition? Check all that apply.

• nutrient availability

• number of trees

• light intensity

• temperature

Which of the following is a part of an ecosystem that can die without affecting the ecosystems functionality?

• Plant

• Water

• Sunlight

• None of the above

A symbiotic relationship exists between two organisms of different species. If only one organism benefits from the relationship and the other is harmed, the relationship is called ...

• Commensalism

• Mutualism

• Parasitic

• Saprophytic

Type of symbiotic relationship between orchid and tree is .....

• Mutualism

• Commensalism

• Parasitic

• Detritivore

What is 'an interacting group of individuals of the same species'?

• ecosystem

• community

• organisms

• population

What type symbiotic relationship is this?

• Parasitic

• Neutralism

• Mutualism

• Commensalism

In addition to producers and consumers, healthy communities must have ________, bacteria and fungi which recycle detritus.

• Autothrops

• Decompocer

• Producer

• Consumer

What is the single most important factor contributing to losing or creating endangered species?

• Water pollution

• Clear cut logging

• Habitat loss

• Air pollution