Louisiana State University

This comprehensive ANSC 2050 Exam 2 study document contains approximately 350 clearly structured questions and answers covering major concepts in equine science, beef cattle production, and small ruminant management. The material spans horse behavior and handling, conformation, lameness evaluation, colic, nutrition, reproductive technologies, beef industry structure, breed classifications, crossbreeding systems, body condition scoring, calving management, sheep production systems, goat industry ...

This LSU BIOL 4087 Lee Exam 1 2026 review contains approximately 120 structured exam questions with 100% correct answers covering foundational biochemistry and molecular biology concepts for the 2026 academic year . The document begins with core chemical and thermodynamic principles including Gibbs free energy (ΔG negative, positive, and equilibrium states), electronegativity, electrophiles and nucleophiles, bond strengths (covalent, charge/charge, hydrogen bonds, hydrophobic interactions), and...

Goals of Paleoanthropology - Answer Identify species from the fossil record, Relationship of fossils to one another, Behavior of organisms within the fossil record. "The Big 3" - Answer Things that make humans uniquely human. Didn't happen all at the same time! These were processes spread out over a long period of time. Culture - Answer If looking in the fossil record, start looking at the material culture (oldest is 2.6 million years ago) but also look at commun...

Darwin's 3 Postulates of Natural Selection - Answer 1. Populations can grow infinitely, but environments can only support a finite amount of individuals 2. There is variation within a population. This variation affects the probability of survival and reproduction 3. The variation is transmitted from parent to offspring Darwin's 5 Theories of Evolution - Answer 1. Evolution is constantly happening 2. All life descended from one or a couple common ancestors 3. Changes occu...

Jane Goodall - Answer studied chimpanzees in Tanzania and was a well-known conservationist Dian Fossey - Answer studied gorillas and was brutally killed by poachers. She saw these animals as dignified, highly social creatures with individual personalities and strong family relationships and not just angry, vicious animals. Behavioral ecology - Answer looks at the relationship between the environment and organisms Sociobiology - Answer study of the relationship be...

Why do we study non-human primates? - Answer to help in our understanding how the forces of natural selection and sexual selection molded our ancestors after the human lineage split from the rest of the primate order Correct What features broadly define the order Primate? - Answer five fingers, big brain, tactile pads, opposable thumbs...etc. What type of dentition do OWM have? - Answer 2123 What type of dentition do NWM have? - Answer 2133 Sexual Dimorphism -...

Hypothesis for Bipedality - Answer -"Man the Hunter"- Idea of using the hands free to do things, the use of weapons is a driving force in bipedality. -"Woman the Gatherer"- gathering food, seeds,fruit,etc. -Quadrepedalist do not get best view of open country -More efficient to walk bipedal Lumpers - Answer Inclined to have fewer fossil species. Emphasize & recognize similarities. Splitters - Answer Inclined to support more fossil species. Emphasize & recogn...

Gracile Australopithecines - Answer - 3.5-<2mya - A. sediba - A. africanus Possible hominins - Answer - 7- 4.4mya Robust hominins - Answer - 2.7-1.2mya - Paranthropus robustus - P. boisei - P. aethiopicus Early hominins - Answer - 4.2-2.5mya - Australopithecus garhi - A. afarensis - A. anamensis - Kenyanthropus Early Australopithecines Traits - Answer - bipeds (but retain some arboreal adaptations) - sexually dimorphic - brain only slightly...

Australopithecus aethiocopus - Answer East Africa, 2.7 - 2.3 Ma, earliest robust, small brain size, chewing apparatus Australopithecus boisei - Answer East Africa, 3.2 - 1.2 Ma, megadontia Australopithecus robustus - Answer South Africa, 2-1 Ma, postcanine megadontia, anterior pillars Ardapithecus - Answer 4.4 Ma, bipedal and look like apes Anamensis - Answer 4.4 Ma, East African lineage Africanus - Answer 3 Ma, South African lineage Homo hab...

Carl von Linne - Answer - wrote Systema Naturae - advocate of Principle of Fixity of Species Jean-Baptiste Lamarck - Answer - against Principle of Fixity of Species - Theory of Inheritance of Acquired Characteristics Theory of Inheritance of Acquired Characteristics - Answer - organism has needs in order to survival - needs are met by modification of organs - continued use of organ leads to increase in size and functional capacity; disuse leads to degeneration - chan...