סוגיות בסביבה, קיימות ושמירת טבע - אב"ג - רק השאלות מהבחנים באנגלית

Given that species play a major role in modifying and stabilizing ecosystem functions, we sometimes consider them as:

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שאלה #19508

		Ecosystem multipliers
		Ecosystem services
		Ecosystem changers
		Ecosystem engineers

מיין לפי

Large areas:

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שאלה #19509

		Harbor high heterogeneity
		Harbor many habitats
		Harbor high species richness
		All of the above

מיין לפי

Open lands are:

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שאלה #19510

		Areas of land without human-built structures
		Nature reserves only
		Nature reserves and non-protected natural habitats
		Agricultural landscapes only

מיין לפי

Raz Dahan 0 נקודות · יותר מ-6 חודשים

מוניטין: 1

Open Lands = No Human Buildings

The economic value of world's ecosystem services to human beings, according to Constanza and his colleagues (1997), is:

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שאלה #19511

		An average of US $ 16 trillion per year
		An average of US $ 54 trillion per year
		An average of US $ 33 trillion per year
		Cannot be evaluated

מיין לפי

Provisioning services are:

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שאלה #19512

		Services required for the existence of the other ecosystem services
		Products obtained from ecosystems
		Benefits obtained from the regulation of ecosystem processes
		Nonmaterial benefits people obtain from ecosystems through spiritual enrichment, cognitive development, reflection, recreation and aesthetic experiences

מיין לפי

Raz Dahan 0 נקודות · יותר מ-6 חודשים

מוניטין: 1

Provisioning Services= Products

The recent estimate of the number of people throughout the world that go to sleep every day without any dinner, is:

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שאלה #19513

		1.8 billion
		1 billion
		0.5 billion
		200,000

מיין לפי

How much of the earth's land area is already used for different agricultural cultivations and agricultural-related activities?

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שאלה #19514

		40%
		30%
		20%
		10%

מיין לפי

Bar Sofer 1 נקודות · יותר מ-6 חודשים

מוניטין: 15

למה 40? היה כתוב בסיכום 10%..

Alina Makidon 0 נקודות · יותר מ-6 חודשים

מוניטין: 1

כתבה של נשיונל ג'אוגרפיק מאמתת שזה 40%

Land sparing refers to:

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שאלה #19515

		A clear integration between the natural habitat area and the agricultural area
		A clear separation between the natural habitat area and the agricultural area
		Combination of natural habitat area and agricultural fields
		A subset of the land sharing method

מיין לפי

Alona Barsukov 0 נקודות · יותר מ-6 חודשים

מוניטין: 15

separation

The term that reflects movement from one patch to another, through short-distance dispersal, in a landscape, is:

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שאלה #19516

		Stepping stones
		Long-term dispersal
		Isolation
		Connectivity

מיין לפי

Hedgerows may contribute to wildlife-friendly agriculture by:

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שאלה #19517

		Attracting pests
		Isolating different subpopulations from breeding
		Ensuring clear habitat without arthropods
		Conserving arthropod communities within agricultural landscapes

מיין לפי

סוגיות בסביבה, קיימות ושמירת טבע - אב"ג - רק השאלות מהבחנים באנגלית

Discuss, Learn and be Happy דיון בשאלות

Given that species play a major role in modifying and stabilizing ecosystem functions, we sometimes consider them as:

Large areas:

Open lands are:

The economic value of world's ecosystem services to human beings, according to Constanza and his colleagues (1997), is:

Provisioning services are:

The recent estimate of the number of people throughout the world that go to sleep every day without any dinner, is:

How much of the earth's land area is already used for different agricultural cultivations and agricultural-related activities?

Land sparing refers to:

The term that reflects movement from one patch to another, through short-distance dispersal, in a landscape, is:

Hedgerows may contribute to wildlife-friendly agriculture by:

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