Intersexual selection Study guides, Class notes & Summaries

How are two different species most likely to evolve from one ancestral species? allopatrically, after the ancestral species has split into two populations Fossils of their most recent common ancestor are most likely to occur in which stratum? the layer that is directly below the labeled X The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of ____. their inclusiveness Which Hardy-Weinberg conditi...

Male northern elephant seals (Mirounga angustirostris) compete with one another for territories along the beach and defend these territories throughout the breeding season. The males that win the male-male competitions defend the "best" territories and have access to females that stay in that territory of the beach. The females land on the beach during mating season, chose which territory of the beach to join, and then disproportionately breed with the male that defends that area of ...

Outline what sexual selection is - Sexual Selection is the process of selecting the right mate through competing rivals and engaging in the right behaviours in order for successful conception and child rearing. The evolutionary explanations behind this preference is important as it gives us insight on who will be chosen and who will be excluded. Outline the two ways in which sexual selection operates - Intrasexual Selection - this involves individuals of one sex (usually male) outcompeting ...

AQA A Level Psychology Relationships Exam Questions and Answers 100% Pass Outline what sexual selection is - Answer-Sexual Selection is the process of selecting the right mate through competing rivals and engaging in the right behaviours in order for successful conception and child rearing. The evolutionary explanations behind this preference is important as it gives us insight on who will be chosen and who will be excluded. Outline the two ways in which sexual selection operates - Answer...

Bio 182 Study Questions and Answers All Correct Male northern elephant seals (Mirounga angustirostris) compete with one another for territories along the beach and defend these territories throughout the breeding season. The males that win the male-male competitions defend the "best" territories and have access to females that stay in that territory of the beach. The females land on the beach during mating season, chose which territory of the beach to join, and then disproportionately...

Evolutionary Analysis Ch 11 question and answers graded A+ 2023 passedSexual dimorphism - correct answer a difference between the sexes sexual selection - correct answer differential reproductive success due to variation among individuals in success at getting mates parental investment - correct answer energy and time expended both in constructing an offspring and caring for it males - correct answer when mothers make a larger parental investment than fathers, access to mates is a limit...

What does insect hemolymph transfer in the body? Nutrients, wastes, hormones, immune cells and peptides, BUT NEVER O2!! What kind of circulatory system do insects have? open circulatory system: hemolymph is in direct contact with tissues Brainpower Read More What is the dorsal vessel? Main circulatory organ of insects. It spans the entire length of an insect's body on the dorsal side. Anterior: aorta. Posterior: heart What are Alary muscles? muscles that hold the heart in...

Evolution - ANSWER The changing of an entity over a period of time Darwin - ANSWER Developed ideas on natural selection and heritable traits Origin of species - ANSWER Darwin's book written about his findings on the Galapagous Galapagos Islands - ANSWER Key location of Darwin's studies of natural selection; off the west coast of South America Finches - ANSWER Key species in Darwin's studies of evolution Mutation - ANSWER A base pair or set of base pairs on a strand of DNA are c...

Chapter 3: The Nature and Nurture of Sex and Gender Test Bank Multiple Choice 1. As early as 1993, Biologist Ann Fausto-Sterling argued what about biological sex? A. that at least five or more biological sexes should be recognized B. that the cultural tendency to view sex as binary is largely correct C. that there are actually three biological sexes D. that the concept of biological sex is meaningless Ans: A Learning Objective: 3-3: Analyze the biological and sociocultural factors...

Bio 182 Study Questions and Answers All Correct Male northern elephant seals (Mirounga angustirostris) compete with one another for territories along the beach and defend these territories throughout the breeding season. The males that win the male-male competitions defend the "best" territories and have access to females that stay in that territory of the beach. The females land on the beach during mating season, chose which territory of the beach to join, and then disproportionately...