'Most mammals' presentation slideshows

Vertebrate Evolution Lecture 24

Vertebrate Evolution Lecture 24. Chordates are members of the phylum Chordata. Lancelets. Tunicate. Fig. 21.40. Chordates. Their nearest animal relations are the echinoderms However, chordates employ a truly internal endoskeleton. Chordates are quite diverse.

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Animal, Plant & Soil Science

Animal, Plant & Soil Science. Lesson C4-1 Anatomy and Physiology of Animal Reproductive Systems. Interest Approach.

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BIOL 3999: Issues in Biological Science

GLOBAL CHANGE BIOLOGY. BIOL 3999: Issues in Biological Science. Dr. Tyler Evans Email: tyler.evans@csueastbay.edu Phone: 510-885-3475 Office Hours: M,W 10:30-12:00 or by appointment Website: http ://evanslabcsueb.weebly.com /. PREVIOUS LECTURE.

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Evidence of Evolution

Evidence of Evolution. Chapter 15 Part II. 1. Fossil Record. Are able to observe links between modern forms and ancestors (ex. transition species) Relative age - age compared to other fossils by referring to the geologic time scale and records of known fossils

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Sex Determination

Sex Determination. Chromosomal Sex Determination Primary and Secondary Sex Determination Another model of chromosomal sex determination: Drosophila Environmental Regulation of Sex Determination. Mammalian Sex Chromosomes. Formation of bipotential gonad. Males= XY Females= XX

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Chapter 22

Chapter 22. Introduction to Body Systems Skeletal, Muscular, and Integumentary Systems. Section 1: Objectives. Describe how tissues, organs, and organ systems are related. List 12 organ systems. Identify how organ systems work together to maintain homeostasis.

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Chapter 42

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The Comparative Approach

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Overview of Vitamins

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Florida Manatees

Florida Manatees. This picture is from All About M anatees book by Jim Arnosky. By Blair F. Table Of Contents. Where do they live ? Page 1 What do they eat ? Page 2 What do they look like ? Page 3

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Lesson 3 - Mammals

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Proboscidea

Proboscidea . By Ciera Kinley Bio. 335 01. Proboscidea. Contains one living family (Elephantidae) and several extinct families Order dates back to 55-60 MYA, with first member being the Moeritheres Currently: - 1 family - 3 species - 4 subspecies. Elephantidae.

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Narwhal

Narwhal. By Chris T. Narwhals are mammals. Narwhals are mammals because they give birth to live young. Narwhals have fur. Narwhals have fur because most mammals have fur. What color is a Narwhal?. A Narwhal is grey and white. Where do Narwhals live?. Narwhals live in the polar sea.

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by Asher Flesch

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Chapter 5: Vertebrates

Chapter 5: Vertebrates. Vertebrates. Animals with backbones All vertebrates have an endoskeleton, an internal support system that makes the animal more flexible and easier to move. The 5 groups are birds, fish, amphibians, reptiles, and mammals. Fish.

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SLOTHS

SLOTHS. by AMY and AMBER. FACTS . Known for being a sedentary tree-dwelling mammal, the sloth rarely moves at all spending much of its day hanging upside-down from tree limbs. The animal is so lethargic that its fur is often host to small moths, beetles and even algae.

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From lunch to loo!

From lunch to loo!. By Crystal and Harry. Eating an apple . The food goes in the mouth; it is chewed into little pieces by the teeth and mixed with saliva. Apple s are popular fruit and they are also healthy they are so delicious and yummy I love eating them.

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LD 50/30

LD 50/30. Purpose. The purpose of this presentation is to define the term LD 50/30 as it relates to nuclear medicine and radiation exposure. Furthermore, I will go beyond its definition into a basic explanation of the term and its application. . Definition.

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Avian Species

Avian Species. Beak no teeth can be used to reduce particle size Esophagus ingesta holding and moistening Salivary Amylase Fermentation in some species. Avian Species. Proventriculus Gastric juice production pH 4 Rapid pass through of food. Avian Species. Gizzard (ventriculus)

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Population Growth

Population Growth . Exponential Growth J-shaped curve Lag phase is the initial growth phase Exponential Growth phase When the birth rate outnumbers the death rate

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