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4 th Six Weeks Review for Common Assessment By: Your Favorite Teacher Mrs. Nancy
Stimulus: Something that causes a response in an organism.
External Stimulus: Anything OUTSIDE an organism that causes a response. Examples: 1.Sound 2.Heat 3.Light
Internal Stimulus: Anything INSIDE an organism that causes a response in an organism. Examples 1.Hunger 2.Thirst 3.Sleepiness
Phototropism A plants response to light. Example: A plant bending toward a sunlit window.
Gravitropism A plants response to gravity. Example: Root tips of plants growing down.
Thigmotropism A plants response to touch.
During MIGRATION, HIBERNATION and ESTIVATION animals deal with harsh (difficult, hard) conditions
Migration To move from one place to another.
Hibernation stored body fatlower body temperature.A period of inactivity during the WINTER in which an animal survives on stored body fat and has lower body temperature.
Estivation A period of reduced activity in the Summer.
Olfactory Cells Are receptors in the nose that allows you to smell. A dogs sense of smell is about 1000 times more sensitive than a humans.
Water Cycle Is a continuous movement of water between the surface of the Earth and its atmosphere –It keeps the Earths fresh water supply renewed. –Source of energy is the suns radiation.
Ground Water: water beneath (under) the Earths surface. Watershed: the region of land that is drained by a river system.
Characteristics of Living Things
Chapter 15 Plant Processes.
October 13, 2014 Pick up your table’s journals. Write “Forces in Plants” in the table of contents. Forces in Plants page 20.
Plant Adaptations and Tropisms
(Top part of flap) Turgor Pressure – internal water pressure that prevents wilting and provides support
Plant Responses 6.L.2.2 Explain how plants respond to external stimuli (including dormancy and forms of tropism) to enhance.
Look at the following pictures and describe what types of tropism you see. Are they positive or negative?
Chapter 25 Plant Responses and Adaptations.
THE WATER CYCLE Water moves from the oceans to the atmosphere, from the atmosphere to the land, and from the land back to the oceans.
Stimulus & Response TEKS 7.13B describe and relate responses in organisms that may result from internal stimuli such as wilting in plants and fever or.
ENERGY FROM THE SUN Chapter 14.3 Pages Energy in the Atmosphere The sun is the source of ALL energy in our atmosphere. Three things that can.
Movement in Plants continued. Phloem Phloem transport sugars, hormones and other organic molecules throughout the plant. This process is called translocation.
Organism response vocab
Plants and External Stimuli
Ecosystems. What is a system? It is a collection of elements that interact with each other over a period of time to function as a whole. Think-Pair-Share.
An Organism’s Responses to changes in their Environment.
How Plants Respond to External Stimuli
Section 2 Living Things A.How are living things or organisms alike? 1.Living things are organized. a.Cell – the smallest unit of an organism that carries.
1.What are the main parts of this tree? 2.What is the function of each part?
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