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.