Answer:
Ectoparasites may affect trade-offs between life history traits in a number of different ways (Moller 1993a). There is some field evidence which suggests that ectoparasite numbers increase with the advancement of the season (Loye and Carroll 1991).
Explanation:
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Answer:
The use of rocks and minerals includes building material, cosmetics, cars, roads, and appliances.
Explanation:
Answer:
A particular population limiting factor or factors must have been removed
Explanation:
The population of the birds must have been kept between 30 and 50 individuals by population limiting factors such as the presence of predators within the community or competition for resources such as food or spaces.
For the population to shoot up to 90 all of a sudden, it may be that one or more of the population limiting factors has been removed from the population. <u>It could be that a major predator has been removed from the community or the competition for food/space is now significantly reduced due to more food/space in the community. </u>
