Essays about: "life-history traits"
Showing result 1 - 5 of 23 essays containing the words life-history traits.
-
1. Countergradient variation and compensatory growth in Moor frog (Rana arvalis) along a replicated latitudinal gradient
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : For evolution to occur over time, it is necessary for animals and plants to show phenotypic variation. If the individuals within populations of a species do not show observable differences among themselves, there will be a lack of driving force for natural selection to act on and decide which characteristic gets inherited from one generation to the next. READ MORE
-
2. Life history and reproductive fitness variation associated with the Y chromosome in Callosobruchus maculatus
University essay from Uppsala universitet/Institutionen för biologisk grundutbildning; Uppsala universitet/Institutionen för ekologi och genetikAbstract : In the seed beetle Callosobruchus maculatus, the female is the larger sex and the male is the smaller sex. However, males that are almost as large as females can also occur, which is due to a specific Y chromosome haplotype. READ MORE
-
3. Friends with benefits? - Does gut microbiota of Spodoptera littoralis affect insecticide resistance and are there any costs of insecticide resistance development?
University essay from SLU/Dept. of Plant Protection BiologyAbstract : The insect gut microbiota has many important functions for insects such as detoxification of host plant toxins. Recently there has been a growing interest on the effect of insect gut microbiota on insecticide resistance development. Insecticide resistance is a growing concern for food security and sustainable agriculture. READ MORE
-
4. The effect of temperature on life history traits of perch (Perca fluviatilis) and its implications for population age- and size structure
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : The effects of increasing water temperature on key life history traits of fish (e.g. growth rate and maximum body size) have in recent years received considerable attention, but evidence remains inconclusive. READ MORE
-
5. The effect of sexual selection and mating on personality traits and behavior consistency of Callosobruchus maculatus
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Animals’ personality traits are defined as consistent behavior tendencies and the function of them in life-history strategy and reproductive success has been given a lot of explanations in a large amount of research. However, the behavior consistency of individuals in different sexes, mating status and selection regimes is rarely mentioned. READ MORE