Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of

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#Question id: 10875

#Section 1: Ecology

When the population density of species P , then

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#Question id: 10239

#Section 1: Ecology

Two species of barnacle, balanus balanoides and Chthamalus stellatus, occur in the intertidal regions of Scotland. As following

 Which of the following statements is correct?

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#Question id: 11242

#Section 4: Behavioural Ecology

A disadvantage of sexual reproduction is

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#Question id: 11914

#Section 1: Ecology

Alder trees, which harbour nitrogen-fixing bacteria in their roots, provide nitrogen to soils developing on sandbars rivers, this is an example of,

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#Question id: 12153

#Section 1: Ecology

Which of the following is not a resource?