Producers and Consumers - Section 1.3 Quiz

Which group of organisms listed below does not need to feed on other biotic elements?
1. Producers
2. Consumers
3. Detrivores
4. Decomposers
The mushrooms in this photograph

are an example of which kind of organism listed below?
1. Decomposer
2. Herbivore
3. Scavenger
4. Producer
My pet dog likes to eat meat but he also often enjoys nibbling on grass, garden peas, and berries. Based on what he eats, my dog is best described as
1. an omnivore.
2. a herbivore.
3. a decomposer.
4. a carnivore.
Which choice below correctly completes the following statements? A Venus fly trap plant captures and consumes flies and other insects but it also requires several hours of sunlight a day, like other green plants. It can therefore be described as a
1. carnivore and a producer.
2. herbivore and a carnivore.
3. producer and a scavenger.
4. decomposer and a producer.
There is a debate among scientists about how T-Rex (Tyrannosaurus rex) fed.

It had fierce sharp teeth that suggest it hunted down other animals and ate them. But it also had small eyes and tiny useless front arms, which suggest it may have eaten whatever dead carcass it came across. This is a debate between what two kinds of consumer?
1. Scavenger and predator
2. Predator and herbivore
3. Predator and omnivore
4. Scavenger and omnivore
What is the difference between and scavenger and a detrivore?
1. Scavengers eat organisms killed by others and detrivores eat waste
2. Scavengers do not kill their own food and detrivores do kill their own food
3. Scavengers feed off the remains of living things and detrivores break down dead organisms
4. Detrivores can consume scavengers but scavengers cannot consume detrivores
Certain strains of the bacterium, E. coli, are found in large numbers in our digestive system. We need them to extract vitamins from our food. Other strains of E. coli that are sometimes found in contaminated food products such as ground beef, can kill us. All strains of E. coli share what trait in common?
1. They are all decomposers, regardless of their helpfulness or harmfulness
2. Because they consume our food, they are capable of acting as predators
3. Because they are found in our bodies, they can be considered our prey
4. Because they feed on our food and/or waste, they are not considered to be consumers
Which of the following statements about decomposers is false?
1. The group, decomposers, is divided into scavengers and detrivores
2. Decomposers ensure that plants have a supply of nutrients available to them
3. Decomposers connect biotic elements with abiotic elements in ecosystems
4. In the food chain, decomposers may follow carnivors or herbivores
A food chain always begins with the Sun and a
1. producer.
2. herbivore.
3. decomposer.
4. consumer.
A gardener rakes the leaves in her yard in the fall and scatters them in a thick layer over her garden beds. By late spring the next year the leaves have disappeared. This could be the work of which types of creatures?
1. Detrivores and decomposers
2. Scavengers
3. Detrivores, decomposers and scavengers
4. Scavengers and herbivores