Ecosystems Test Lessons 1, 2, & 6

1. All living things are made up of one or more structures called:

• Cells
• Tissues
• Organs
• Bones

1. What is the difference between unicellular and multicellular?

• Unicellular organisms are made up of multiple cells, while multicellular organisms are made up of a single cell.
• Unicellular organisms are only found in plants, while multicellular organisms are only found in animals.
• Unicellular organisms are larger in size than multicellular organisms.
• Unicellular organisms are made up of a single cell, while multicellular organisms are made up of multiple cells.

Which of the following is not a characteristic of life?

• Respond to stimuli

• Grow and change

• Walks and runs

• Uses/obtains energy

Energy is used by organisms to:

• Grow

• Move

• Body Repair

• All of the above

1. The energy that is found in food was once:

• Energy from the sun

• Energy from another animal

• Energy from electricity

• Energy from water

1. What is a producer?

• 1. Living things that break down dead plant and animal material into smaller particles.

• 1. Living things that get energy from consuming, or eating, other living things.

• 1. Living things that make their own food.

• 1. Living things that eat only plants to get the food and energy they need.

1. Producers use:

• 1. Water to produce food from carbon dioxide in the air and water

• 1. Light energy from the sun to produce food from carbon dioxide in the air and water

• 1. Decomposers to produce food from carbon dioxide in the air and water

• 1. Nutrients from the soil to produce food

1. Which best explains the role of a decomposer?

• 1. Recycles dead materials back into an ecosystem.

• 1. Creates energy from the sun.

• 1. Breaks down larger living animals into smaller pieces.

• 1. Create oxygen for living creatures.

Consumers that only eat plants

• Omnivores
• Herbivores
• Carnivores
• Pescatarians

Consumers that only eat meat

• Herbivores
• Carnivores
• Omnivores
• Pescatarians