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Higher genetic diversity:

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שאלה #18161

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

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The term 'species diversity' is composed of:

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שאלה #18162

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

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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 #18163

		Losing a particular function due to reduced species richness can lead to adding other functions
done		Losing a particular function due to reduced species richness can lead to loosing other functions correct
		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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מיין לפי דירוג חדש ישן

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

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שאלה #18164

		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
done		The ability of an ecosystem to resist changes in the presence of perturbations correct
		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 #18165

		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
done		Degraded ecosystem has no effect on the extinction probability of the remaining species correct

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