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Tree of life

Rawle Phylogeny V

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Tree of life

This week?s Bio seminar Friday, Jan. 30, DV2082?at 12pm Julie Claycomb,?St. George Campus, UofT (Department of Molecular Genetics) Small RNA pathways as guardians of germline gene expression 1 Lecture 8: Phylogeny V A diversity of trees - and stories they tell Working on the current tree of life 2 Something (not so) different 3 Do you know the story of ?? A. Yes B. No 4 http://news.nationalgeographic.com/news/ 2013/11/131129-little-red-riding-hood-folktale- tehrani-anthropology-science/ Where did the story come from? 5 6 7 Phylogenetic analyses are also important for conservation 8 9 Our idea of the tree of life has changed over the years 10 Ernst Haeckel(1866) https://en.wikipedia.org/wiki/Tree_of_life_(biology) We currently recognize

algaefungi

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reproduction
Green algae
Tree of life
Germ cells
microbiology
Ascomycota
Multicellular organism
Volvox
Algae
Asexual reproduction
Isogamy

Bio104 Laboratory ? Student?s Guide John Jay College, C.U.N.Y Lab #5 ? Page 1 Lab #5: Green Algae, Fungi, and Lichens I. More Protista a. Continuing from last week, this will lab will explore the Domain of Eukarya. Remember that the group of organisms commonly called ?protists? is not an actual taxon ? it?s a collection of many phyla. b. Some of the protists that we will examine today are the green algae. These single-celled organisms have a common ancestor with plants, and present-day algae share many features with the ancestor of plants. All green algae are technically unicellular organisms, but some form colonies with an impressive degree of organization.

microbio slide

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microbiology
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bacteria
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Cell Biology
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Unikont
Cyanobacteria
Algae
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health

ESTIMATING SIZE OF OBJECTS AND MAKING A WET MOUNT Oscillatoria, 10X Oscillatoria, 20X Oscillatoria, 40X Nucleus A cyanobacterium; prokaryote; photosynthetic; contains chlorophyll and a blue pigment, phycocyanin; long unbranched filaments of cells; no flagella, but can move by means of a sliding motion. Wet Mount. Human cheek cell smear, stained with methylene blue. BACTERIA Cyanobacteria, Nostoc, 40X Cyanobacteria, Gloecapsa, 40X

algeafungi

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Biology
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Biology
reproduction
Green algae
Tree of life
Germ cells
microbiology
Ascomycota
Multicellular organism
Volvox
Algae
Asexual reproduction
Isogamy

Bio104 Laboratory ? Student?s Guide John Jay College, C.U.N.Y Lab #5 ? Page 1 Lab #5: Green Algae, Fungi, and Lichens I. More Protista a. Continuing from last week, this will lab will explore the Domain of Eukarya. Remember that the group of organisms commonly called ?protists? is not an actual taxon ? it?s a collection of many phyla. b. Some of the protists that we will examine today are the green algae. These single-celled organisms have a common ancestor with plants, and present-day algae share many features with the ancestor of plants. All green algae are technically unicellular organisms, but some form colonies with an impressive degree of organization.

chapter_1_ap_biology_exam

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Biology
microbiology
Evolutionary biology
Eukaryote
Tree of life
evolution
Ecology
organism
Microorganism
bacteria
Archaea
Genetics
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
Technology

Campbell's Biology, 9e (Reece et al.) Chapter 1 Introduction: Themes in the Study of Life 1) A localized group of organisms that belong to the same species is called a A) biosystem. B) community. C) population. D) ecosystem. E) family. Answer: C Topic: Concept 1.1 2) Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sunlight into A) the energy of motion. B) carbon dioxide and water. C) the potential energy of chemical bonds. D) oxygen. E) kinetic energy. Answer: C Topic: Concept 1.1 3) The main source of energy for producers in an ecosystem is A) light energy. B) kinetic energy. C) thermal energy. D) chemical energy. E) ATP. Answer: A Topic: Concept 1.1

AP BIO CHP 1 CAMPBELL BIOLOGY 9e

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Tree of life
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bacteria
Archaea
Genetics
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Technology

Campbell's Biology, 9e (Reece et al.) Chapter 1 Introduction: Themes in the Study of Life 1) A localized group of organisms that belong to the same species is called a A) biosystem. B) community. C) population. D) ecosystem. E) family. Answer: C Topic: Concept 1.1 2) Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sunlight into A) the energy of motion. B) carbon dioxide and water. C) the potential energy of chemical bonds. D) oxygen. E) kinetic energy. Answer: C Topic: Concept 1.1 3) The main source of energy for producers in an ecosystem is A) light energy. B) kinetic energy. C) thermal energy. D) chemical energy. E) ATP. Answer: A Topic: Concept 1.1

Protista and Fungi Notes

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19.1: Protists The World of Protists What is a Protist? Kingdom Protista contains the most diverse group of organisms of all kingdoms Most are unicellular (diatoms), but some are multicellular (giant kelp). Some are heterotrophs, some are autotrophs and others are both. The characteristic that all protists share is that they are eukaryotes Protists are divided into animal-like protists, funguslike protists and plantlike protists. Protozoa: animal-like protist, all are unicellular Algae: plant-like protists, do not have roots, stems and leaves Unicellular algae produce most of the world?s oxygen and are the basis for aquatic food chains Fungus-like protists are able to move at some point in their life and do not have chitin in their cell walls What is a protozoan?

Fungi Notes

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Ascomycota
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Spore

20.1: Fungi What is a fungus? The Characteristics of Fungi Fungi are eukaryotes, use spores to reproduce and are heterotrophs. Fungi need moist, warm places to grow Most are multicellular, yeasts are unicellular Hyphae: branching threadlike tubes that make up the bodies of multicellular fungi Fuzzy looking molds have loosely tangled hyphae. The stalk and cap of mushrooms are closely packed hyphae. Mycelium: a complex network of branching hyphae may serve to anchor the fungus, invade food sources, form reproductive structures Cell walls of must fungi contain a complex carbohydrate called chitin Cross walls called septa divide hyphae into individual cells that contain one or more nuclei Pores in the septa let cytoplasm, organelles and nutrients flow throughout the fungus

Chapter 1 Introduction to Biology Lecture

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Cell Biology
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Protist

Introduction: Exploring Life Chapter 1 Definition of Biology The study of life Characteristics of Living Organisms Living organisms are organized. Atom: the smallest unit of matter that still retains the properties of an element Molecule: two or more chemically bound elements Characteristics of Living Organisms Living organisms are organized Cell: the basic living unit of structure and function Eukaryotic cell Possesses a membrane-bound nucleus and membrane-bound organelles Ex. protists, fungi, plants, and animals Prokaryotic cell Does not possess a membrane-bound nucleus or membrane-bound organelles Ex. bacteria Characteristics of Living Organisms Living organisms are organized Tissue: a collection of like cells

Fungi Problem Set

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Christina Krucylak Fungi Problem Set AP Biology April 2, 2013 Fungi are heterotrophs and therefore cannot make their own food, like plants can. They absorb nutrients from the outside environment. They use enzymes to either breakdown complex molecules into simpler ones for easier absorption or to break down cell walls or membranes to absorb nutrients from a host. Fungi have a wide range of ?hosts? and they can range from parasitic relationships to mutualistic ones. Hyphae are a network of tubular membranes surrounding the plasma membrane and cytoplasm of cells. This network is both above and below ground. A mycelium is more or less the subterranean part of a hyphae tube network. A mycelium infiltrates the material on which the fungus feeds off of.
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