Cycles of Matter

An Autotroph is an...

• organism that can make its own food

• heterotroph that relies on other organisms for food
• inorganic substance
• organism that cannot produce its own food

Which of these are examples of Autotrophs?

• Plants

• Algae

• Whales

• Bacteria

What is a Heterotroph?

• Organism that has to eat or absorb something for food

• An organism that only consumes plants for energy
• An organism that can survive without consuming any food
• An organism that can produce its own food through photosynthesis

Which of these are reactants of Photosynthesis?

• Sunlight

• Water

• Carbon dioxide

• Oxygen

What is the definition of a producer?

• • An organism that produce food/energy

• An organism that gets energy from others

• Herbivores

• An organism that eats primarily meat

Primary consumers are organisms that eat __________.

• secondary consumers
• producers
• omnivores
• decomposers

Secondary consumers are organisms that eat...

• Herbivores

• Omnivores

• Carnivores

• Primary consumers

Tertiary consumers eat...

• Other predators

• Top consumers

• Omnivores

• Plants

Decomposers get energy from...

• Only the top level

• Only the middle level

• Only the bottom level

• Every level

A carbon reservoir is a place where energy is ________.

• consumed
• stored
• released
• created