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BELL WORK : On your new Bellwork page… Write your answer and EXPLAIN why you chose it.

BELL WORK : On your new Bellwork page… Write your answer and EXPLAIN why you chose it. Which of the following characteristics could be used to classify an unknown pathogen as a virus? It contains DNA It has a protein coat It has a cell wall It causes disease.

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BELL WORK : On your new Bellwork page… Write your answer and EXPLAIN why you chose it.

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  1. BELL WORK:On your new Bellwork page…Write your answer and EXPLAIN why you chose it. Which of the following characteristics could be used to classify an unknown pathogen as a virus? • It contains DNA • It has a protein coat • It has a cell wall • It causes disease

  2. BELL WORK:On your new Bellwork page…Write your answer and EXPLAIN why you chose it. Look at the diagram below. Which of the following would correctly complete the lytic cycle?A. Virus kills the host cell.B. Virus parts infect the host cell’s DNA.C. Viral DNA is replicated.D. Parts of virus are assembled to form new virons.

  3. CO: I will describe the interactions between systems in plants. I will describe the reproductive parts of a plant.LO: I will write notes, discuss plants with a partner, and read about plant reproductive organs.

  4. Anticipation Guide:Decide if the following statements are true or false with your partner • Some plants are single celled organisms • Plants are prokaryotic and animals are eukaryotic • Plants are photosynthetic autotrophs • Plants have chitin in their cell walls • Pollination is a part of plant reproduction • There are carnivorous plants FALSE FALSE TRUE FALSE TRUE TRUE

  5. Plants What makes a plant a plant? • Plants are eukaryotic • Plants have cell walls made of cellulose • Plants make their own energy through photosynthesis • Plants are multicellular

  6. What plants need to survive… 1. Sunlight 2. Water 3. CO2 & Oxygen 4. Nutrient and water movement

  7. Plant Parts/Systems • Reproductive System = Flower (with male and female parts) • Transport System = tissues in stem • Nutrient System = Leaf + Root • Structural Support System = Stem + Roots All of these parts and systems work together to help a plant maintain homeostasis.

  8. Think-Pair-ShareHow do the leaves, stem, and roots work together to help a plant maintain homeostasis?

  9. Is It a Stem, Leaf, Root, Flower, Fruit or Seed? flower leaf root stem seed root root root fruit fruit

  10. Plant Reproductive Structure • Tomorrow you will be dissecting a flower, identifying the parts, and discussing how plants interact with their environment. • So let’s take a few minutes to talk about the structure of flowers…

  11. Flower Parts Complete flowers have four parts. • Stamen – male part; includes anther and filament • Anther: produces pollen • Pollen: plant “sperm”, fertilizes eggs Carpel (pistil) –female part; includes stigma, style and ovary - Ovary: organ that holds eggs; where fertilization occurs Sepals– protection for flower during development Petals– protection for flower, as well as attracting pollinators

  12. Today and tomorrow… • Read the article on plant structure and reproduction. Highlightor underline the key words. • Answer the questions. • Color the flower according to the directions. • We will finish this tomorrow – it is for a GRADE!

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