General features of algae pdf for middle school

Algae beads general biology handson workshop 75 min hs, 2y, 4y use algae beads in a colorassay to study photosynthesis and cellular respiration through authentic inquiry investigations for ap and ngss biology. The following sections discuss the characteristics and use of both true algae and the. Like plants, algae are eukaryotic organisms that contain chloroplasts and are capable of photosynthesis. Unicellular algae occur most frequently in water, especially in plankton. Algae fuel, algal biofuel, or algal oil is an alternative to liquid fossil fuels that uses algae as its source of energyrich oils. There are seven major types of algae, each with distinct characteristics. The algaeinabottle experiment provides an engaging and flexible highimpact teaching tool for helping students to know, understand, and apply a number of concepts related to the biology and ecology of aquatic plants and their environments. Hand out the sensational seaweed worksheet and explain how the station rotations will work. They are thallophytes which have chlorophyll as their primary photosynthetic pigment and lack a sterile covering of cells around the reproductive cells. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade aged 11 to 14. The study of algae is known as phycology phycos seaweed. The 8 modules for grades 56 are organized under topics in the life, physical, and earth sciences and in scientific reasoning and.

The algae and their general characteristics springerlink. You want to use a classification key also called a dichotomous key. In most groups of algae it appears that the plastid has been derived by at least two serial endosymbioses. General characters ppt general characteristics of algae ppt what are algae. Learn extensions to study the effects of various parameters. Algae definition, characteristics, types and examples.

Specific general characteristics of algae are common to plants as well as animals. Cyanobacteria is a large and diverse phylum in the kingdom bacteria. Brainstorm what roles algae plays in its environment e. Characteristics range in size from microscopic to single celled organisms to large seaweed autotrophic form the reproductive structures gametangia or gamete chambers aquatic and have flagella at some point in life often contain pyrenoids, organelles that synthesis and store starch. Algae a ubiquitous and diverse group ranges from unicellular to giant multicellular forms. Characteristics of living things this science quiz is called characteristics of living things and it has been written by teachers to help you if you are studying the subject at middle school.

In a multiweek experiment, student groups gather data from the photobioreactors that they build to investigate growth conditions that make algae thrive best. These lessons were developed to meet the washington state essential academic learning requirements. During cell division in oedogonium, a septum is laid down across the middle. The simplest forms are unicellular, microscopic, motile or nonmotile eukaryotic cells. Get a book, look at all the pictures, and select the one that most looks like the picture.

Algae algae physical and ecological features of algae. Read resources for teaching middle school science at nap. Concepts of botany algae pdf 21p this note contains explanation of algae, structure of alage and its classification. Sepro research and technology campus, 160 watson seed farm rd. The size range of the algae spans seven orders of magnitude. Students learn the features that distinguish and are used to identify members of all major groups of freshwater algae, as well as the methods of collecting and quantifying freshwater algae. Program overview the full option science system foss program is a k6 science curriculum consisting of 27 standalone modules. They may be spherical protococcus, chlorella, or pyriform chlamydomonas. In addition, algae may occur in moist soil or on the surface of moist rocks and wood. The largest, or most general, group of living things is the kingdom. The phylum cyanobacteria includes many different species, but all these species have one thing in common that makes them. After the large amount of work of all kinds that has been published on the algae, more particularly on the green forms and on the plantlike flagellata, during the last fifteen years, a putting together of the results in one or more general works has.

They are chlorophyllous thus autotrophic, with simple thallus and lacks tissue differentiation. Listed below are some of the general characteristics of algae. General characteristics of algae linkedin slideshare. Sean chamberlin, phd professor, earth sciences, fullerton.

General characteristics of algae, classification of algae based on habitat, thallus diversity in algae, chloroplast shape variations in algae, pigmentation in algae, reproduction in algae, life cycle in algae. Pdf early in the history of life, algae changed the planets atmosphere by producing oxygen, thus paving the way for the evolution of eukaryotic. On the following pages of your test booklet are multiplechoice questions for session 1 of the grade 5 nebraska state accountabilityscience nesas. Microalgal biotechnology only really began to develop in the middle of the last. The marine biologists group the seaweeds by their colors and the storage of food products. These plants lack the complex structures and reproductive cycles found in terrestrial.

Chlorophyta green algae, rhodophyta red algae, and phaeophyta brown algae. A virus is an infectious particle that reproduces by commandeering a host cell and using its machinery to make more viruses. Algae live with fungi in lichens according to the whittaker scheme, algae are classified in seven divisions, of which five are. General characteristics of algae the term thallus is used for a plant body that is not differentiated into root stem and leaves and lacks vascular system. Story includes five details about the type of algae you are researching. It is, therefore, possible to identify species occurring by locality, such as pacific algae or north sea algae. Cyanobacteria played a crucial role in the evolution of all photosynthetic plants and algae in existence today. When made from seaweed macroalgae it can be known as seaweed fuel or seaweed oil several companies and government agencies are funding efforts to reduce capital. The following sections discuss the characteristics and use of both true algae and. Name score classification warren county public schools. Some euglenoids are autotrophic while others are heterotrophic.

Xanthophyll cycle some general distinguishing features ca. A virus is made up of a dna or rna genome inside a protein shell called a capsid. Student learning outcome upon successful completion of this experiment, students will be able to write the equation of. The term thallus is used for a plant body that is not differentiated into root stem and leaves and lacks vascular system.

Pond scum, seaweed, and giant kelp are all examples of algae. When made from seaweed macroalgae it can be known as seaweed fuel or seaweed oil. The algae comprise of a large heterogeneous assemblage of. Algae have simple, unicellular nonjacketed sex organs and have no embryo development. Phylogeny and molecular evolution of the green algae pdf. Algaegeneral characteristics, classification, organization of thallus, cell structure. Algae are eukaryotic organisms that have no roots, stems, or leaves but do have chlorophyll and other pigments for carrying out photosynthesis. Asexual reproduction is the production of progeny without the union of cells or nuclear material. Explain that students will now get a chance to experience algae firsthand. Anomalous secondary growth of stem and rootbignonia. The activities and lesson plans are designed for elementary school, middle school, and may be adapted for high school students. Included organisms range from unicellular microalgae, such as chlorella and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga which may grow. Bluegreen algae cyanobacteria not an a at all snowella species.

But what distinguishes algae from plants is that algae do not have any tissue differentiation. Developed by lawrence hall of science berkeley, calif. Algae definition, characteristics, types and examples byjus. In this article we will discuss about the morphological and cellular characteristics of algae. Definition, characteristics and structure with diagram. In contrast to the land plants, algae have very diverse mechanisms of photosynthesis, and especially of light harvesting pigments and assemblages. For instance, algae can photosynthesize like plants, and they possess specialized structures and cellorganelles, like centrioles and flagella, found only in animals. A single endosymbiosis appears to have occurred in the green algae, the red algae and the glaucocystophytes. The term algae latin seaweeds was first introduced by linnaeus in 1753, meaning the hepaticeae.

The main unifying characteristic that determines if a species is. Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, cambridge university or the public at large. Primary school science resources about natures hidden energy store biomara the sustainable fuels from marine biomass project is a research project that aims to demonstrate whether biofuels can be produced from marine biomass algae. They are found in different habitats from fresh to marine waters to extreme conditions. Algae can be either unicellular or multicellular organisms. Pupils will observe that macroalgae and microalgae have different features. Many algae consist of only one cell, while the largest have millions of cells. General microbiology biol 4501 1 practice examination questions multiple choice questions note.

Algae physical and ecological features of algae britannica. These lessons were developed to meet the washington. They are most commonly found in aquatic environments. Because they only require a few simple requirements, plants can grow almost anywhere.

Mar 21, 2020 this project oceanography pdf document contains information and activities related to red tide and harmful algal blooms habs. They produce new secondary metabolites that possess biological activities and. Many small algae reproduce asexually by ordinary cell division or by fragmentation, whereas larger algae reproduce by. Algae are protists with plantlike characteristics, that are typically found in aquatic environments. Using plastic soda bottles, pond water and fish tank aerators, they vary the amount of carbon dioxide or nutrients or sunlight, as an extension available to the microalgae.

A team from the university of kentucky has received a grant from kentucky nsf epscor national science foundation experimental program to stimulate competitive research for education and outreach activities to fund a stem science, technology, engineering and mathematics conference for middle school girls at uk this spring. To some degree, the distribution of algae is subject to floristic discontinuities caused by geographical features, such as antarctica, long distances of ocean or general land masses. Euglenophyta euglenoids are fresh and salt water protists. Algae regenerate by sexual reproduction, involving male and female gametes sex cells, by asexual reproduction, or by both ways. In addition, a wide range of marketable coproducts can be extracted from algae, e. This project oceanography pdf document contains information and activities related to red tide and harmful algal blooms habs. Compare red algae to brown algae red algaemulticellular but none as large as brown they have filamentous, branches and interwoven lacy pattern body simple holdfast no flagellated stage live in warmer tropic water brown algae multicellular and large and most complex body like a plant more complex holdfast cause of. We believe that the algae inabottle experiment offers an effective means for improving science literacy and for introducing scientific research to diverse learners from middle school to college. The structure of a virus and how it infects a cell. In general algae can be referred to as plantlike organisms that are usually photosynthetic and aquatic, but do not have true roots, stems, leaves, vascular tissue and have simple reproductive structures. In large, macroscopic algae, groups of cells are specialized for specific functions, such as anchorage, transport, photosynthesis, and reproduction. Algae in general seem to have evolved from some photosynthetie procaryo. Algae exhibit a very wide range of morphological diversity. Grades 6, 7 and 8 science middle school characteristics.

The hunt for killer algae a series of eight lessons designed to teach middle and high school students about phytoplankton, physical oceanography, and the impacts of harmful algal blooms along the west coast. Characteristics of algae with diagram biology discussion. Plants can differentiate their tissues into roots, trunks, and leaves, all very different tissue types. We believe that the algaeinabottle experiment offers an effective means for improving science literacy and for introducing scientific research to diverse learners from middle school to college. The word algae represent a large group of different organisms from different phylogenetic groups, representing many taxonomic divisions. Sep 12, 2018 algae are protists with characteristics that resemble those of plants.

Compare red algae to brown algae red algae multicellular but none as large as brown they have filamentous, branches and interwoven lacy pattern body simple holdfast no flagellated stage live in warmer tropic water brown algae multicellular and large and most complex body like a plant more complex holdfast cause of. Some algae, like euglena, are closer evolutionarily to singlecelled protozoa than to plants. Each question will ask you to select an answer from among four choices. Like animals, some algae possess flagella, centrioles, and are capable of feeding on organic material in their habitat. Contents chapter topics page 1 introduction to biology 1 2 structure and nature of living cell 15 3 cell division 28 4 division of labour in multicellular plants. Also, algae fuels are an alternative to commonly known biofuel sources, such as corn and sugarcane.