Explain what is meant by the term ‘secondary contact’. Describe two possible outcomes of secondary contact, including the degree of reproductive isolation involved in each.
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Explain what is meant by the term ‘secondary contact’. Describe two possible outcomes of secondary contact, including the degree of reproductive isolation involved in each.
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- Provide a detailed summary of spatial distribution of lumbricina terrestris. Also include the distribution of the species/individuals at various scales, within population and WHY this spatial pattern may have developed or evolved?Population structure and genetic associations describe the case where symbiont partner genotypes are not distributed randomly across a host or the landscape in which a host resides. Describe how population structure and genetic associations could resolve the problem of cheating in mutualism.provide a paragraph on sexual dimorphism. discuss why some species have pronounced dimorphism, and others dont. relate to roughgardens's discussion of gender roles and parental care. Include specific examples
- Background: An area has two different Anopheles species, species A and species B. Both can vector Plasmodium, although Plasmodium develops best and is transmitted best by species B. Species A is dominant because its larvae outcompete species B in the main shared breeding sites, small lakes, and ponds. Therefore the population of B is currently small. The small lakes and ponds are also the source for the main food source in the region, fish, grown in fish farms. There is grazing land, but other than chickens, the local population does not have livestock. Species A is largely endophilic, species B is exophilic. In other localities, species A and B will also feed on cattle, and B appears to prefer cattle. Both species like to roost during the hot day in rock overhangs and small caves. The national malaria control agency sends in a new person to develop a malarial control strategy. (S)he recommends draining the lakes and ponds, and intensive house spraying. Discuss the pros and cons of…Background: An area has two different Anopheles species, species A and species B. Both can vector Plasmodium, although Plasmodium develops best and is transmitted best by species B. Species A is dominant because its larvae outcompete species B in the main shared breeding sites, small lakes, and ponds. Therefore the population of B is currently small. The small lakes and ponds are also the source for the main food source in the region, fish, grown in fish farms. There is grazing land, but other than chickens, the local population does not have livestock. Species A is largely endophilic, species B is exophilic. In other localities, species A and B will also feed on cattle, and B appears to prefer cattle. Both species like to roost during the hot day in rock overhangs and small caves. To add an on-line research element, please summarize the main characteristics of the biology of Anopheles merus(breeding habitat, feeding style, host preference, vector ability). Given the above…determine what type of interaction the example is describing 1. Pilotfish remove and eat parasites found on a shark's skin. 2. A Brown-headed cowbird lays her eggs in the nest of a Kirtland's warbler who then raises the young cowbirds as if they were her own. 3.The fungus Ophiocordyceps unilateralis infects ants and alters the ant’s behavior. The infected ant leaves its colony and attaches itself to the underside of a leaf and remains there until the fungus’ life cycle is completed. At this point, a fruiting body emerges from the ant’s head, killing the ant, and the fungal spores are released into the environment. 4. A scorpion stings and subdues its grasshopper prey, then eats the grasshopper. 5. Two male black bears fight for mating territory. predation herbivory mutualism competition parasitism
- give one species that is classified or exhibit the following: infanticide show a picture of it with its sexual traits (body stuctures, behavior, etc) and how these traits help their reproduction. explain give one specific example please and explainCompare and contrast the processes of bottleneck effects and founder effects.Explain the following forms of non-listeningi. Monopolisingii. Ambushing
- What are the negative effects of shark finning on the ecosystem? (Please be specific and answer in paragraph form)Discuss the different types of mimicry.forest sites than in forest fragments, whereas there were no significant differences between fragments of different sizes. These results provide further evidence for the effects of habitat size on the phorid-Acromyrmex system in a tropical rain forest, based on the abundance of parasitoids both as adults in the field and as reared immature phorids in the laboratory. Phorid parasitized leafcutter ants were most abundant in areas of continuous forest, and less abundant in the forest fragments. O Phorid flies are important parasitoids of leafcutter ants nd leafcutter ants can be found in Brazil's Southeastern Both phorid flies Atlantic Forest. The study provides evidence that this parasitoid-host interaction between phorid flies and leafcutter ant differs between continuous forest and forest fragments. Phorid flies were just as abundant in forest fragments as they were in continuous forest, but were less successful in parasitizing leafcutter ants.