Fnr 25150 exam 2 - Study guides, Class notes & Summaries

FNR 25150 Exam 2 with complete solution

Female Gestation Costs - ANSWER=-embryonic/ fetal development -Developmental (uterus and mammary glands) Most costly stage for females - ANSWER=lactation Lactation Cost for polytocous species - ANSWER=larger litters cost more sexual dimorphism - ANSWER=Differences in physical characteristics between males and females of the same species. sexual dimorphism is typical in..... - ANSWER=polygynous mammals Why do female polygynous mammals invest more in sons? - ANSWER=More likely to pass gene...

FNR 25150 Exam 2 with complete solution

FNR 25150 Exam 2

Female Gestation Costs correct answers -embryonic/ fetal development -Developmental (uterus and mammary glands) Most costly stage for females correct answers lactation Lactation Cost for polytocous species correct answers larger litters cost more sexual dimorphism correct answers Differences in physical characteristics between males and females of the same species. sexual dimorphism is typical in..... correct answers polygynous mammals Why do female polygynous mammals invest mor...

FNR: 25150 Birds Exam 1, FNR 25150 Birds Quiz 2 and Exam 2 Order Anseriformes - ANS-ducks, geese, swans (waterfowl) -45 species -features: lamellate bill Lamellate bill - ANSbill with internal structures like strainers to help grab and keep microorganisms in bill for eating Many parts of the NWR were initially created to provide habitat to migrating and winter _______ - ANSwaterfowl Conservation of Trumpeter Swans - ANS-reintroduced to Wisconsin, Michigan, Ohio and Ontario -very large...

FNR 25150 Birds Final Exam Solved 100% Correct adaptions to aquatic habitats, lamellate bills - ANSwaterfowl defining features reptiles - ANSbirds evolved from... avian features - ANSfeathers, furcula reptilian parts - ANSteeth, claws on parts Theropods and thecodonts - ANSWhich reptiles are ancestral to birds? 2 hypotheses... theropods - ANSdinosaurs thecodonts - ANStree living reptiles, ate insects, glided from tree to tree feathers, lightweight, waterproof, good insulation - ANSuniq...

Order Piciformes - ANSWER-Woodpeckers and relatives; hyoid apparatus; many other families worldwide, including toucans and honeyguides Endangered Piciformes - ANSWER-Ivory-billed Woodpecker and Red-cockaded Woodpecker Ivory-billed Woodpecker - ANSWER-May or may not still be around; lost in the swampy areas of SE US; there may or may not be some in Arkansas and the panhandle of Florida Red-cockaded Woodpecker - ANSWER-Builds nests in living trees; live in pine forests in the south, which...

Oder Piciformes - ANSWER--Woodpeckers and relatives -Hyiod apparatus -toucans and honeyguides Conservation of Piciformes - ANSWER-Endangered: -ivory-billed Woodpecker (likely extinct) - red-cockaded woodpecker -need dead wood to drill cavities -secondary cavity nesters rely on woodpeckers Migration - ANSWER-regular and seasonal movement of populations, usually between a breeding area and a wintering area -have to be regular and seasonal Nomadism - ANSWER-irregular movements not...