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Beef Cattle Breeds

Beef Cattle Breeds

Beef Cattle Breeds. Identification & Characteristics. Angus. Origin – Scotland Color – Black P/H – Polled Characteristics 2 nd most popular, Resistant to pink eye Superior carcass Not as rugged as others. Barzona. Origin – US - Arizona Color – Red P/H – either Characteristics

By jana
(1276 views)

EARLY THEORIES

EARLY THEORIES

EARLY THEORIES. Describe the two “laws” of Lamarck History and observations of Darwin theory Application of the theories with examples Why Lamarck`s theory was rejected Differences. Jean-Baptiste Lamarck. French Biologist (1744-1829) Professor of “Worms and Insects” in Paris

By cholena
(366 views)

Speciation

Speciation

Speciation. evolution of a new species occurs when members of similar populations no longer interbreed to produce offspring in a natural environment. In order for their to be speciation, there must be isolation. Geographic isolation - when a physical barrier divides a population volcano

By esme
(321 views)

Patterns in Evolution

Patterns in Evolution

Patterns in Evolution. Key concept : Evolution occurs in patterns. Evolution through natural selection is not random. Natural selection can have direction. The effects of natural selection add up over time. Convergent E volution .

By march
(445 views)

Speciation and Extinction

Speciation and Extinction

Speciation and Extinction. Biogeography October 29 - Nov 2. Defining a species Morphological definition Biological definition Subspecies Mechanisms of Speciation Genetic drift Natural selection Gene flow Types of Speciation Allopatric speciation Sympatric speciation. Other Issues

By anne
(823 views)

Types of EVOLUTION Divergent vs. Convergent

Types of EVOLUTION Divergent vs. Convergent

Types of EVOLUTION Divergent vs. Convergent. DIVERGENT EVOLUTION. To Diverge means to spread apart. Think of other words that use the same root word. “Dissect, Divide, Divorce” Could two or more different species have shared a common parental species?.

By yamka
(1438 views)

Compare and Contrast

Compare and Contrast

Friday, October 21 st. Compare and Contrast. Compare and Contrast. A form of writing where the similarities and differences of two subjects are identified. Compare and Contrast. Structure 1: Introduction sentence Similar traits of Subject 1 and Subject 2

By ghalib
(232 views)

Reading Metaphors

Reading Metaphors

Reading Metaphors. Thinking is a submarine. Metaphor is:. a comparison between two seemingly unrelated nouns noun = person, place, thing, idea does not use like, as, or than does use: is was be am were being are been. example. Love is an onion. Step 1.

By dulcea
(96 views)

Kingdom Fungi

Kingdom Fungi

Kingdom Fungi. Fungi Basics. Heterotrophs Cannot perform photosynthesis Release enzymes to absorb nutrients Cell composition similar to animals Reproduction: Sexual & Asexual Classified by how they reproduce. Comparing Plants & Fungi . Plants and fungi have different traits:

By juan
(290 views)

Big Idea 1

Big Idea 1

Big Idea 1. Ch. 25 - Phylogeny. Overview: Investigating the Tree of Life. Phylogeny is the evolutionary history of a species or group of related species To get information about ancient organisms and their relationship to current species, biologists draw on the fossil record.

By nixie
(87 views)

The island would need to have both large and small seeds available

The island would need to have both large and small seeds available

Objective: Understand How Natural Selection Works through “The Beak of Finches” Lab Key Words: Beak, adaptation, environment, survival of fit, differential reproduction . 12. Explain how an island could support large populations of both Large Ground Finches and Small Ground Finches.

By pia
(158 views)

Chapter 18

Chapter 18

Classification. Chapter 18. Why Classify ? What’s in a name?. In order to name and group organisms in a logical manner we must arrange them according to similarities and differences . Usually from physical characteristics or DNA/Protein sequencing.

By cosima
(53 views)

Population and Speciation

Population and Speciation

Population and Speciation. Population Genetics: The study of Evolution from a genetic point of view. Variations of Traits. Biologists measure traits in large samples when studying variation.

By glenna
(110 views)

Speciation & Patterns of Evolution

Speciation & Patterns of Evolution

Speciation & Patterns of Evolution. *. Objectives. Explain how the isolation (physical or genetic) of populations can lead to speciation. *. Vocabualry. Species Speciation Geographic isolation Allopatric Speciation Reproductive Isolation. Sympatric Speciation Gradualism

By morgan
(589 views)

Speciation

Speciation

Speciation. More about change over time…. Adaptations. All organisms have adaptations that help them survive and thrive. Some adaptations are structural.

By keenan
(196 views)

Darwin’s Theory of Evolution

Darwin’s Theory of Evolution

Darwin’s Theory of Evolution. Ch. 15 - 16. Evolutionary Theory. Collection of scientific facts, observations, and hypotheses Evolution – change over time Theory – well-supported testable explanation of phenomena that have occurred

By charla
(218 views)

Evolution

Evolution

Evolution. Chapter 16. Early Theory of Evolution Lamarck, a French biologist, proposed: T hat body structures could change according to the actions of the organism. Acquired characteristics could be passed on to any offspring. He was incorrect, but paved the way for Darwin. .

By heidi
(240 views)

Bellwork

Bellwork

Bellwork. Imagine that you are traveling in Madagascar when you find the plant to the left . You see that the plant has an

By bethan
(83 views)

What ´s a cladogram

What ´s a cladogram

What ´s a cladogram. To think. We describe several phylums characteristics We notice some groups share some characteristics Some are very simples Other more complex There are some order ? What is the cause?. The tree of life. Video Atemborogh. KEY CONCEPT .

By bendek
(231 views)

Bellringer -March 12, 2014

Bellringer -March 12, 2014

Bellringer -March 12, 2014. Imagine a population of 200 birds, some red and some yellow. The red allele, R, is dominant over the yellow allele, r . There are 72 RR birds, 96 Rr birds, and 32 rr birds in the population. What are the genotypic frequencies in the population ?

By redford
(93 views)

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