Podcast
Questions and Answers
Food chains show the transfer of energy from ______ to consumers.
Food chains show the transfer of energy from ______ to consumers.
producers
Producers like plants are the first link, with grass, trees and algae as common ______.
Producers like plants are the first link, with grass, trees and algae as common ______.
examples
Consumers can be primary, secondary or ______ depending on what they feed on.
Consumers can be primary, secondary or ______ depending on what they feed on.
tertiary
Decomposers like fungi and bacteria break down dead or waste organic materials and return nutrients to the ______/environment for reuse by plants.
Decomposers like fungi and bacteria break down dead or waste organic materials and return nutrients to the ______/environment for reuse by plants.
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Respiration releases ______ while photosynthesis absorbs it, maintaining balance.
Respiration releases ______ while photosynthesis absorbs it, maintaining balance.
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A food web shows the interconnected food chains in an ecosystem and energy transfer between ______.
A food web shows the interconnected food chains in an ecosystem and energy transfer between ______.
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Disruptions can impact the whole ______.
Disruptions can impact the whole ______.
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The steps to test for starch using iodine solution included the following: 1.Prepare the materials needed which include iodine solution, a white tile, Petri dishes, and a leaf sample from the plant being ______.
The steps to test for starch using iodine solution included the following: 1.Prepare the materials needed which include iodine solution, a white tile, Petri dishes, and a leaf sample from the plant being ______.
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Take a leaf sample from the plant being tested. It should first be destarched by keeping it in ______ for 1-2 days.
Take a leaf sample from the plant being tested. It should first be destarched by keeping it in ______ for 1-2 days.
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Photosynthesis is the process by which green plants and some other organisms use sunlight, carbon dioxide and water to produce ______ (sugar) and oxygen.
Photosynthesis is the process by which green plants and some other organisms use sunlight, carbon dioxide and water to produce ______ (sugar) and oxygen.
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We can test if a plant has carried out photosynthesis by testing for ______, which is produced during photosynthesis and stored in leaves.
We can test if a plant has carried out photosynthesis by testing for ______, which is produced during photosynthesis and stored in leaves.
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Iodine turns dark blue/black in the presence of ______.
Iodine turns dark blue/black in the presence of ______.
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Oxygen is one of the by-products of ______.
Oxygen is one of the by-products of ______.
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An experiment is described to collect and test the oxygen produced by a water plant. Gas is collected in a test tube containing sodium hydrogencarbonate solution and tested with a glowing ______.
An experiment is described to collect and test the oxygen produced by a water plant. Gas is collected in a test tube containing sodium hydrogencarbonate solution and tested with a glowing ______.
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Plants gain mass and weight from absorbing water and minerals from the soil through their roots, and energy from sunlight through their leaves during ______.
Plants gain mass and weight from absorbing water and minerals from the soil through their roots, and energy from sunlight through their leaves during ______.
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An experiment using a Coleus plant with variegated leaves showed that only the green parts of leaves containing chlorophyll contained ______ after an iodine test.
An experiment using a Coleus plant with variegated leaves showed that only the green parts of leaves containing chlorophyll contained ______ after an iodine test.
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This indicates chlorophyll is necessary for ______.
This indicates chlorophyll is necessary for ______.
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An experiment wrapping some leaves of a plant in aluminum foil and leaving others uncovered showed only uncovered leaves contained ______ after 2 days.
An experiment wrapping some leaves of a plant in aluminum foil and leaving others uncovered showed only uncovered leaves contained ______ after 2 days.
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This shows light is necessary for ______.
This shows light is necessary for ______.
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Photosynthesis is important for both plants and animals. Animals cannot produce their own food and rely on plants or other animals for food either directly or indirectly through food ______.
Photosynthesis is important for both plants and animals. Animals cannot produce their own food and rely on plants or other animals for food either directly or indirectly through food ______.
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