קיימות 2024

Higher genetic diversity:

1

שאלה #132219

		Is usually apparent in small populations
		May help a population to cope better with future environmental changes
		Has no effect on future population's persistence
		Has usually a negative effect on future population's persistence

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מיין לפי

The term 'species diversity' is composed of:

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שאלה #132220

		Number of individuals (abundance) only
		Number of species only
		Number of genes and number of individuals (abundance)
		Number of individuals (abundance) and number of species

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The 'snowball effect' in the context of the relationship between species richness and ecosystem functionality means that:

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שאלה #132221

		Losing a particular function due to reduced species richness can lead to adding other functions
		Losing a particular function due to reduced species richness can lead to loosing other functions
		Losing a particular function due to reduced species richness has no effect on other functions
		Losing a particular function due to reduced species richness has a positive effect on other functions

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In the context of our section, stability is defines as:

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שאלה #132222

		The inability of an ecosystem to resist changes in the presence of perturbations
		The ability of an ecosystem to move from one state to another
		The ability of an ecosystem to resist changes in the presence of perturbations
		The ability of an ecosystem to change in the presence of perturbations

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Which of the sentences below is incorrect:

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שאלה #132223

		Species extinction may cause a reduction in the functionality of an ecosystem
		Healthy ecosystems can buffer against local extinctions to maintain local stability
		Habitat loss in an already degraded ecosystem may lead to local instability
		Degraded ecosystem has no effect on the extinction probability of the remaining species

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Most species in the world are?

1

שאלה #132224

		Plants
		Insects
		Reptiles
		Birds

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Usually, smaller species have:

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שאלה #132225

		More restricted ecological requirements
		Less restricted ecological requirements
		Similar ecological requirements as larger species
		Wide ecological requirements

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In the species-area relationship curve, the 'z' parameter reflects:

1

שאלה #132226

		The intercept of the line with the Y axis
		The intercept of the line with the x axis
		The slope of the line on a logarithmic scale
		The decrease of species richness with area

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Larger areas, usually:

1

שאלה #132227

		Harbor higher heterogeneity
		Are very homogeneous
		Have lower heterogeneity
		Are dominated by one large habitat

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As a rule of thumb, for nature conservation, we should strive for:

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שאלה #132228

		Small and highly heterogeneous areas with greater connectivity
		Large and highly homogeneous areas with greater connectivity
		Large and highly heterogeneous areas with greater connectivity
		Large and highly homogeneous areas with lower connectivity

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קיימות 2024

Discuss, Learn and be Happy דיון בשאלות

Higher genetic diversity:

The term 'species diversity' is composed of:

The 'snowball effect' in the context of the relationship between species richness and ecosystem functionality means that:

In the context of our section, stability is defines as:

Which of the sentences below is incorrect:

Most species in the world are?

Usually, smaller species have:

In the species-area relationship curve, the 'z' parameter reflects:

Larger areas, usually:

As a rule of thumb, for nature conservation, we should strive for:

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