WILDLIFE BIOLOGY. Monday 6 Nov 2017
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1 WILDLIFE BIOLOGY Monday 6 Nov 2017
2 Entry Task What is required for the germination of fruits & seeds that are designed to be ingested? Full or partial digestion. What is the term used for seedlings that respond to light & gravity? Phototropism Gravitropism
3 Agenda Housekeeping Pocket Seed Experiment Angiosperms
4 Housekeeping AM Assembly Schedule on Thursday, 9 Nov. Red assembly Veterans Holiday this Friday, 10 Nov. No School
5 Seed Growth Experiment. Angiosperms Do NOT write in the lab workbooks (Make any notes in your ISN). Read through the lab workbook so you know what to expect during the lab. Today you will complete Day 1 protocols (methods).
6 Seed Growth Experiment. Angiosperms With your team decide what two types of seeds you will use. Send one person to the front to collect a container & three of each seed type. Place blue tape on the container & label with the period & your team letter. Place seeds within the container & fill with water until seeds are covered.
7 Seed Growth Experiment. Angiosperms Tomorrow you will complete Day 2 protocols (minus optional) Complete Day 1 observations on the data cards Other observations will be collected on Day 3, 7, 9, & 11
8 Example: Angiosperms
9 Angiosperms Roots. Perform three functions: - Anchor plant into the ground - Absorb water & minerals - Store food There are two basic root systems: - Primary root system - Adventitious root system
10 Angiosperms Roots Systems. Primary root system: - Consists of a taproot (primary root) that grows vertically downward (positive geotropism/gravitropism). - Smaller lateral root (secondary roots) grow horizontally or diagonally from the taproot. - Secondary roots further produce their own smaller lateral roots (tertiary roots).
11 Angiosperms Roots Systems. Adventitious root system: - The taproot (primary root) is short-lived & is replaced within a short time by many roots. - Roots form directly from the stem.
12 References ASU School of Life Science, Ask A Biologist, Encyclopedia Britannica, Angiosperm, The Biology Corner, Lesson Plans: Plants,
13 WILDLIFE BIOLOGY Tuesday 7 Nov 2017
14 Label the primary root system. Entry Task
15 Agenda Housekeeping Pocket Seed Experiment Angiosperms
16 Housekeeping AM Assembly Schedule on Thursday, 9 Nov. Red assembly Veterans Holiday this Friday, 10 Nov. No School
17 Seed Growth Experiment. Angiosperms Today you will complete Day 2 protocols (minus optional) Grab a copy of the data cards, cut & tape into your ISN (left side). Complete Day 1 observations on the first data card. Other observations will be collected on Day 3, 7, 9, & 11
18 Example: Angiosperms
19 Angiosperms Roots. The root tip is protected as it passes through the soil by an outer region called the root cap. Root hairs begin to develop to facilitate the absorption water & nutrients from the soil (environment). - More root hairs = more surface area = more water & nutrients.
20 Angiosperms Roots. Many root systems become modified for special functions. The most common special function is the formation of tuberous (fleshy) roots for food storage. - E.g. carrots, beets, radishes, & potatoes.
21 References Encyclopedia Britannica, Angiosperm, The Biology Corner, Lesson Plans: Plants,
22 WILDLIFE BIOLOGY Wednesday 8 Nov 2017
23 Entry Task What part of the root system developed to facilitate the absorption of water & nutrients from the soil (environment)? Root hairs What is the most common special function of root systems? Formation of tuberous (fleshy) roots for food storage
24 Agenda Housekeeping Angiosperms
25 Housekeeping AM Assembly Schedule tomorrow, 9 Nov. Red assembly Veterans Holiday this Friday, 10 Nov. No School
26 Angiosperms Roots. Perform three functions: - Anchor plant into the ground - Absorb water & minerals - Store food There are two basic root systems: - Primary root system - Adventitious root system
27 Angiosperms Roots. Along the longitudinal axis of the root, there are five distinct zones in which specific growth patterns dominate: - Cell Division - Cell Elongation - Primary Tissue Maturation - Mature Primary Tissues - Secondary Tissue Growth Mature Primary Tissue Secondary Tissue Growth Primary Tissue Maturation
28 Angiosperm Roots - Longitudinal Zones. Cell Division - Region of the root where new cells are created as the root continues to grow. Cell Elongation - Cells begin to elongate (become extended). - Root length is a result of cell elongation rather than cell division.
29 Roots - Longitudinal Zones. Angiosperm Primary Tissue Maturation - Cell differentiation takes place. - Area where the first primary phloem mature & xylem, as well as root mature hairs, are root clearly hairs, seen. are clearly seen. Mature Primary Tissue Epidermis (outer layer) - All elements of the vascular cylinder, cortex, & epidermis are evident.
30 Roots - Longitudinal Zones. Angiosperm Secondary Tissue Growth - Secondary phloem, xylem, & periderm (bark) add girth to the plant. - Extends beyond the roots to the stem.
31 References Encyclopedia Britannica, Angiosperm, The Biology Corner, Lesson Plans: Plants, UCMP Berkeley, Monocots versus Dicots: The Two Classes of Flowering Plants,
32 WILDLIFE BIOLOGY Thursday 9 Nov 2017
33 Entry Task What are the five distinct zones of root growth? Cell Division Cell Elongation Primary Tissue Maturation Mature Primary Tissues Secondary Tissue Growth During which zone do cell begin to differentiate? Primary Tissue Maturation
34 Agenda Housekeeping Pocket Seed Experiment Data Day 3 Angiosperms
35 Housekeeping Veterans Holiday tomorrow, 10 Nov. No School
36 WILDLIFE BIOLOGY Friday 10 Nov 2017
37 No School Veterans Day Holiday Background: Veterans Day is a U.S. legal holiday dedicated to American veterans of all wars. In 1918, on the 11th hour of the 11th day of the 11th month, an armistice, or temporary cessation of hostilities, was declared between the Allied nations & Germany in World War I, then known as the Great War. Commemorated in many countries as Armistice Day the following year, November 11th became a federal holiday in the United States in In the aftermath of World War II & the Korean War, Armistice Day became legally known as Veterans Day.
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Shoot System above-ground organs (leaves, stems, flowers) Root System below-ground organs (roots) Dermal Tissue type of plant tissue that is the outer covering of the plant and serves as a protective barrier