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OPENING ACTIVITY
• Abiotic• Biotic• Carnivore• Community• Consumer• Decomposers• Omnivor• Population
• Biosphere• Ecology• Ecosystem• Habitat• Herbivor• Niche• Prey• Symbiosis
• Parasite• Producer• Scavenger
Complete your crossword puzzle using the following words.
Feeding Relationships• There are 3 main types of
feeding relationships
1. Producer - Consumer
2. Predator - Prey3. Parasite - Host
EQ: Identify and describe the three main types of feeding relationships.
Producers• Sunlight is the main energy source for life on
earth
• Also called autotrophs
• Use light or chemical energy to make food
• Examples include: 1. Plants
2. Plant-like protists (algae)3. Bacteria
EQ: Identify and describe the three main types of feeding relationships.
How Do Plants Make Their Own Food?!
EQ: Identify and describe the three main types of feeding relationships.
Remember, bacteria also make their own
food….
EQ: Identify and describe the three main types of feeding relationships.
• Photosynthesis— process in which plants use light energy to convert carbon dioxide and water into oxygen and carbohydrates
(Remember: 6CO2 + 6H2O 6O2 + C6H12O6)
• E. Chemosynthesis—performed by bacteria, use chemical energy to produce carbohydrates
Light Energy
EQ: Identify and describe the three main types of feeding relationships.
What do we call the processes by which plants and bacteria make their own food?
Consumers• Organisms that rely on other organisms
for their energy and food supply
• Also called heterotrophs
• With your table partner, come up with 5 different consumers.
EQ: Identify and describe the three main types of feeding relationships.
Herbivores—obtain energy by eating only plants
Carnivores—eat only animals
EQ: Identify and describe the three main types of feeding relationships.
Omnivores—eat both plants and animals
Decomposers—breaks down dead organic matter
EQ: Identify and describe the three main types of feeding relationships.
With your table partner….
EQ: Identify and describe the three main types of feeding relationships.
Identify and write:• 3 herbivores• 2 carnivores• 1 omnivores• 1 decomposers
Answer the following questions on your paper. Please write the
question and the answer!
1. Producers are organisms that
a. Rely on other organisms for their energy and food supply
b. Consume plant and animal remains and other dead matter
c. Use energy they take in from the environment to make food
d. Obtain energy by eating only plants
2. Which of the following organisms is a decomposer?
WolfBacteria
BirdTree branch
3. Which of the following describes how ALL consumers get their energy?
a. Directly from the sunb. From eating other consumersc. From inorganic chemicals like hydrogen
sulfided. From eating organisms that were living
or were once living
For the following questions, you need to either write the question or
answer in a complete sentence!
4. What is chemosynthesis?
5. Classify each of the following as a herbivore, carnivore, omnivore, or
decomposer.1. Earthworm2. Bear3. Cow4. Snail5. Owl6. Human
6. People who explore caves where there is running water but no sunlight often find the caves
populated with unique types of fishes and insects. What hypothesis
can you make to explain the ultimate source of energy for these
organisms?
SWITCH PAPERS!!!!
1. Producers are organisms that use energy they take in from the environment to make food.
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
2. Which of the following organisms is a decomposer?
Bacteria
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
3. All consumers get their energy from eating organisms that are
living or were once living.
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
4. What is chemosynthesis?Chemosynthesis is a process in which chemical
energy is used to produce carbohydrates.
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
5. Classify each of the following.1. Earthworm = decomposer2. Bear = omnivore3. Cow = herbivore4. Snail = decomposer5. Owl = carnivore6. Human = omnivore
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
6. One possible hypothesis is that organic matter may enter the caves from outside via water or animals that come in from
outside. There may also be chemosynthetic bacteria in the cave.
•If the answer is correct, place a check mark next to the question.•If the answer is incorrect, write in the correct answer.•If the answer is correct but they forgot to write the question or answer, place a BIG circle around the entire question and answer.
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