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The evolution of characteristics because of the mating advantage they give organisms. What are the psychological and behavioral implications of the fact that women bear heavier costs to produce a child than men do? Look who's coming for dinner selection by predation answer key.com. Anolis lizard male dewlaps are classic examples of multifaceted signaling traits, with demonstrated intraspecific reproductive function reflected in courtship behavior. Spider silk is one of the most versatile materials on Earth. In response to problems in our environment, we adapt both physically and psychologically to ensure our survival and reproduction.

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Determine the meaning of symbols, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 11—12 texts and topics. Second, there is a "procedure, " in which the skin grows new skin cells at the afflicted area. They are more willing to consent to sex with strangers and are less likely to require emotional involvement with their sex partners. 2016), suggesting tolerance of different thermal environments may be encoded at the genomic level. Look Who's Coming for Dinner: Selection by Predation Activity for 9th - 12th Grade. The "Resource Google Folder" link directs to a Google Drive folder of resource documents in the Google Docs format. And then there's the diving bell spider. These kinds of adaptations are in contrast to physiological adaptations, which are adaptations that occur in the body as a consequence of one's environment. Or, it could just be the wind blowing the leaves.

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On the other side of the spectrum, there are spider silks that reflect ultraviolet light and appear blue at certain angles. It also fits well with many evolutionary psychological theories. It also helps to explain why we behave as we do on a daily basis in our modern world: why we bring gifts on dates, why we get jealous, why we crave our favorite foods, why we protect our children, and so on. In fact, the qualities women and men generally look for when choosing long-term mates are very similar: both want mates who are intelligent, kind, understanding, healthy, dependable, honest, loyal, loving, and adaptable. Silk can also be used to tie a female up during courtship. Look who's coming for dinner selection by predation answer key 2019. Follow precisely a complex multistep procedure when carrying out experiments, taking measurements, or performing technical tasks; analyze the specific results based on explanations in the text. It emphasizes that strong selective pressure can have measurable effects on trait variations in a population within a short time.

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Méndez-Galeano, Paternina-Cruz, and Calderón-Espinosa. Finally, we used the liability score for each species to try to get a better understanding of what those traits underlying urban tolerance are exactly. Similarly, lamellae are important for clinging to smooth surfaces, which may be particularly beneficial in urban habitats dominated by smooth anthropogenic surfaces. Darwin's answer to this conundrum was the theory of sexual selection: the evolution of characteristics, not because of survival advantage, but because of mating advantage. A theory of selection under conditions of uncertainty in which recurrent cost asymmetries of judgment or inference favor the evolution of adaptive cognitive biases that function to minimize the more costly errors. "Some spiders produce a silk that is low in UV reflection and is also translucent, so insects can't see it, " says Catherine Craig, an evolutionary biologist and author of Spider Silk: Evolution and 400 Million Years of Spinning, Waiting, Snagging, and Mating. On the other hand, men more strongly desire youth and health in women, as both are cues to fertility. HS-LS2-2, HS-LS4-2, HS-LS4-3, HS-LS4-4; SEP3, SEP4, SEP6. Aspects of global change create stressful thermal environments that threaten biodiversity. Now, think about our evolutionary history and how generation after generation was confronted with similar decisions, where one option had low cost but great reward (walking around the leaves and not getting bitten) and the other had a low reward but high cost (walking through the leaves and getting bitten). Look Who's Coming for Dinner: Selection by Predation. We then reconstructed ancestral states and missing tip states for urban tolerance in 131 species of Caribbean anoles. The activity illustrates the role of predation as an agent of natural selection.

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Identify the two major classes of adaptations. The ways in which they use this material are as varied as they are fascinating. Here, a money spider (Tenuiphantes sp. ) Evolution and Human Behavior, 29, 299–304. Define sexual selection and its two primary processes. Rather, evolutionary psychology studies flexible, environmentally-connected and culturally-influenced adaptations that vary according to the situation. The Google Drive folder is set as "View Only"; to save a copy of a document in this folder to your Google Drive, open that document, then select File → "Make a copy. " These documents can be copied, modified, and distributed online following the Terms of Use listed in the "Details" section below, including crediting BioInteractive. However, the culture in Japan reinforces the psychological adaptation to attribute that success to the whole group (because collective achievements are rewarded with higher status). One example of a physiological adaptation is how our skin makes calluses. In the tropics, there are even spiders in the Nephila genus that infuse their silks with carotenoids, which, when the sun hits them, makes the webs seem as if they were dipped in liquid gold. Look who's coming for dinner selection by predation answer key sheet. Understanding gene replication is the key to understanding modern evolutionary theory.

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Sex differences in human mate preferences: Evolutionary hypotheses tested in 37 cultures. For example, take sexual jealousy. The flow of this four-part activity is illustrated in Figure 1 on page 3 of the educator materials. Construct an explanation based on evidence for how natural selection leads to adaptation of populations. The visual descent illusion (Jackson & Cormack, 2008) states that people will overestimate the distance when looking down from a height (compared to looking up) so that people will be especially wary of falling from great heights—which would result in injury or death. You hear a rustle in the leaves on the path in front of you. Of course, the silk binding may serve a more straight forward purpose. In one case, a smile from a potential mate could be a sign of sexual or romantic interest. Can you formulate a hypothesis about an error management bias in the domain of social interaction? We measured body, preferred, critical maximum and minimum temperatures, and sprint speed at different body temperatures of individuals, as well as operative temperatures. The handbook of evolutionary psychology (pp. It is also possible, however, that these behaviors—the fancy clothes, the expensive restaurant—are biologically programmed into us. Of course, we don't mean to say that we attempted to reconstruct the evolution of urban habitat use — anoles are far older than urbanization!

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Extreme climate events such as droughts, cold snaps, and hurricanes can be powerful agents of natural selection, producing acute selective pressures very different from the everyday pressures acting on organisms. And because parents' genes are in their own children (and not the neighborhood children), funding their children's educations increases the likelihood that the parents' genes will be passed on. Each of us is descended from a long and unbroken line of ancestors who triumphed over others in the struggle to survive (at least long enough to mate) and reproduce. Psychological Review, 100, 204–232. Although such behaviors serve a purpose for the jealous person, they can be harmful to others. Learners analyze an experiment that studies the effect of predation on selection.

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As we know, though, just because we have these mating preferences (e. g., men with resources; fertile women), people don't always get what they want. For example, the brilliant plumage of peacocks should actually lower their rates of survival. Fitch and Hillis found a correlation between dewlap size and seasonality in mainland Anolis using traditional statistical methods and suggested that seasonally restricted breeding seasons enhanced the differentiation of this signaling trait. Evolutionary psychology: The new science of the mind (4th ed.

Discussion Questions.

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