Crotalus atrox

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  • Sexual Dymorphism Case Study

    Sexual dimorphism in body size between males and females helps contribute to both natural and sexual selection for reproductive advantage. However, it is not known why these differences exist in most species and how it may be controlled. Several case studies were performed on Sceloporus lizards, including those of male-larger species and female-larger species, as well as the Western diamond-backed rattlesnake, Crotalus atrox, which is a male-larger species. The main question revolves around whether sexual size dimorphism, SSD, is predominantly influenced by genetic or environmental causes. Possible determinants for SSD in these squamate reptiles may be the availability of food, amount of testosterone in the body, and/or the portion of energy used for growth or reproduction (John-Alder et al. 2007).…

    Words: 812 - Pages: 4
  • The Dangers Of Snakebites

    Snakes are lengthy, carnivorous reptiles without legs, protected with scales, have sharp fangs and venom inside it. There are numerous different types of snakes and these include king cobra, python, rattlesnake, and anaconda. Snakebites can be extremely lethal particularly because of their deadly venom. Every year, you will find around 7, 000 poisonous snake bites scenarios that are being documented in America. Apart from being deadly, snake bites may also result in allergic response and…

    Words: 949 - Pages: 4
  • Tulsa Zoo Research Paper

    Desert”, and “Life in the Cold” (see Figure 1). Pictures were taken of the animals observed. All images of the animals are personal images. Figure 1: Tulsa Zoo Map. Results: We saw many different animals in each of the biomes. For each biome, two animals were selected for further research. In The Rainforest I saw smooth-fronted dwarf caiman (Paleosuchus trigonatus) and water wolves (Hydrolycus armatus). In Life in the Water I saw a scarlet ibis (Eudocimus ruber) and an albino American…

    Words: 2158 - Pages: 9
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