The SUN Project - Energy Transfer in Living Things (1-11) 1 Energy Transfer in Living Things (The Mitochondrion and Chloroplast) Ann Batiza, Ph.D., Mary Gruhl, Ph.D., Tim Herman, Ph.D. and *Dave Nelson, Ph.D. with contributions by Jean Abreu and lead designer, Mark Hoelzer Milwaukee School of Engineering and *UW-Madison Instructional Tools • Plant Cell Mat (6)– highlights an enlarged mitochondrion and chloroplast • Animal Cell Mat (1) • Drawings by Jean Abreu and Mark Hoelzer Activities 1. Energy Transfer in Living Things – Group Activity 2. Energy Transfer in Living Things – Summary Activity Key Ideas to Learn Using these Tools 1. Energy from the sun is used to make food through a process called photosynthesis. Only green plants, algae and some tiny bacteria can carry out photosynthesis. Animals cannot make their own food. They must eat it. Therefore all life depends upon the sun. 2. Food is made in special organelles within plant and algal cells. That organelle is called a chloroplast. Food is also made in some photosynthetic bacteria because similar protein machines that can capture light energy are found on their inner membrane. 3. All living things - plants, algae, fungi, archaea, bacteria (whether or not they are photosynthetic!) and animals - need ATP to power life. Therefore all living things must make ATP. ATP is made in the mitochondria of plants, algae, fungi and animals. ATP is also made with the use of similar proteins on the inner membranes of bacteria.
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The SUN Project - Energy Transfer in Living Things (1-11)
1
Energy Transfer in Living Things
(The Mitochondrion and Chloroplast) Ann Batiza, Ph.D., Mary Gruhl, Ph.D., Tim Herman, Ph.D. and *Dave Nelson, Ph.D.
with contributions by Jean Abreu and lead designer, Mark Hoelzer
Milwaukee School of Engineering and *UW-Madison
Instructional Tools • Plant Cell Mat (6)– highlights an enlarged mitochondrion and
chloroplast
• Animal Cell Mat (1)
• Drawings by Jean Abreu and Mark Hoelzer
Activities 1. Energy Transfer in Living Things – Group Activity
2. Energy Transfer in Living Things – Summary Activity
Key Ideas to Learn Using these Tools 1. Energy from the sun is used to make food through a process called photosynthesis. Only
green plants, algae and some tiny bacteria can carry out photosynthesis. Animals cannot
make their own food. They must eat it. Therefore all life depends upon the sun.
2. Food is made in special organelles within plant and algal cells. That organelle is called a
chloroplast. Food is also made in some photosynthetic bacteria because similar protein
machines that can capture light energy are found on their inner membrane.
3. All living things - plants, algae, fungi, archaea, bacteria (whether or not they are
photosynthetic!) and animals - need ATP to power life. Therefore all living things must make
ATP. ATP is made in the mitochondria of plants, algae, fungi and animals. ATP is also made
with the use of similar proteins on the inner membranes of bacteria.
The SUN Project - Energy Transfer in Living Things (1-11)
2
The SUN Project - Energy Transfer in Living Things – Group Activity (student version)
Key Idea #1: Energy from the sun is used to make food through a process called
photosynthesis. Only green plants, algae and some tiny bacteria can carry out photosynthesis.
Animals cannot make their own food. They must eat it. Therefore all life depends upon the sun.
All living things need food as a source of energy.
Green plants and some algae and some tiny bacteria can make their own food. They do this through a
process called photosynthesis [to make (synthesis) with light (photo)]. Therefore these green plants,
algae and microbes use light to make their own food.
Animals must eat their food because they cannot make their own. Animals must eat food originally
produced by green plants, algae or microbes.
All living things ultimately depend on light for their energy.
1. Draw a diagram in the box below to explain this true statement. Be sure to include the sun, a plant,
algae or photosynthetic bacterium and an animal, such as a human being.