RESPIRATION, TRANSPIRATION, AND THE ENVIRONMENT REVISION FOR KIDS 4 THROUGH 12

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1. RESPIRATION AND THE ENVIRONMENT

• The act or process of breathing in plants and animals is known as ____ Respiration.
• In animals it is the ______ inhaling of oxygen and the _______exhaling of carbon dioxide.
• In Plants, it is the process by which cells use oxygen to break down sugar and obtain ______ energy.
• Thus, in transpiration plants take in ______ carbon dioxide during the day and send out ______oxygen while animals take in _____ oxygen and send out
  _______ carbon dioxide. 
• During the night plants take in ____________ oxygen and send out _______ carbon dioxide. 

430. IMPORTANCE OF RESPIRATION TO PLANTS

• The carbon dioxide breathed out by animals is important to plants. It is used to manufacture plant food in the process of__________  photosynthesis.
• During the day plants take in carbon dioxide and send out oxygen which refreshes the __________. atmosphere.
• Photosynthesis and respiration are the two essential processes that _______ allow life to sustain on earth.

TRANSPIRATION

431. TRANSPIRATION is the process through which plants lose water to the surrounding atmosphere in the form of__________. water vapor 

• This water escapes through tiny holes on the leaves called________  stomata.

432. The importance of transpiration to plants are_________

• It helps to ___________ the plant. cool
• It helps to remove___________  from the plant.  excess water
• The transpiration pull helps to absorb _____________ dissolved in water from the soil.  minerals

433. Some factors affecting transpiration are   ____________

• The ______ of the atmosphere. humidity
• The number of _____________ present on the leaves. stomata 
• The ________________  of the environment.  temperature
• The amount of soil_____ water.
• The  __________  of the wind. speed

434. Plants control the rate of transpiration by _______Leaf folding, Leaf shedding, Leaf dropping, and by Water storage organs.

• An example of plants that fold up their leaves during hot weather to reduce the rate of transpiration is ________ groundnuts (Peanuts)
• An example of plants that shed their leaves to reduce the rate of water loss is the ______ pear tree.
• An example of plants that drop their leaves during hot weather to reduce the rate of water loss is ______ sweet potatoes
• Some plants develop water storage organs. That is, thick leaves and thick bark to fight _______ Transpiration 

435. IMPORTANCE OF TRANSPIRATION TO MAN AND HIS ENVIRONMENT

• Water evaporates from plants into the atmosphere and forms tiny droplets of water called clouds which later become heavy and fall back as ___ rain.
• Rain waters our_________  crops
• It provides us with ___________ if well collected. drinking water
• We use the water to cook our________  food
• Rainwater sinks into the ground and later comes out as ________ which is good for drinking. springs

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