2.11-2.17 Biodiversity and Ecosystems Quiz

David went on a field trip to a nature reserve. He observed various parts of the ecosystem. Which of the following observed by them is an example of an abiotic part of the ecosystem?

• A. A rotting log

• B. A winding creek

• C. A dead leaf

• D. A nut on a tree

Isaiah and Marcus went on a field trip to a nature reserve. They saw different types of organisms. Which of the following best describes the consumers?

• A. Organisms who are able to make sugars for energy

• B. Organisms who must eat other animals for energy

• C. Organisms who must eat plants or animals for energy

• D. Organisms that break down dead bodies and waste for energy

Which of the following shows an accurate path of food energy?

• A. Sunfish-> plant-> bear

• B. Bear-> fish->plant ->sun

• C. Sunplant-> fish-> bear

• D. Plant-> fish-> bear-> sun

Si el sol estuviera completamente bloqueado de manera que ya no proporcionara energía a las plantas en un lago, ¿qué pasaría con la vida restante en el lago?

• A. Solo los animales que comen las plantas morirían

• B. Solo las plantas morirían

• C. Todos los carnívoros morirían

• D. Todos los organismos en el lago morirían

Which claims are supported by the diagram shown? Select all that apply.

• A. 90 percent of the energy at a trophic level is transferred to the next trophic level.

• B. 10 percent of the energy at a trophic level is transferred to the next trophic level.

• C. The highest trophic level receives the least amount of energy in an ecosystem.

• D. The lowest trophic level receives the least amount of energy in an ecosystem

Which statement best describes the difference between a producer and consumer?

• A. A producer is in a higher trophic level than a consumer.

• B. A consumer makes its own food whereas a producer obtains food by eating other organisms.

• C. A producer breaks down dead and decaying organisms while a consumer always eats other animals.

• D. A producer obtains energy from sunlight while a consumer obtains energy by feeding on other organisms.

Using the following food chain, match each organism with the correct trophic level.

• primary consumer

• grass

• secondary consumer

• eagle

• tertiary consumer

• rabbit

• producer

• snake

Which of the following eats decaying matter?

• A. Producer

• B. Primary consumer

• C. Secondary consumer

• D. Tertiary consumer

• E. Decomposer

Which of the following eats herbivores?

• A. Producer

• B. Primary consumer

• C. Secondary consumer

• D. Tertiary consumer

• E. Decomposer

Dakota, Paris, and Jose went on a field trip to a wildlife sanctuary. They saw a food chain model and learned about different types of consumers. Who among the following is likely to eat other carnivores, just like they observed in the model?

• A. A grasshopper (Producer)

• B. A rabbit (Primary consumer)

• C. A snake (Secondary consumer)

• D. An eagle (Tertiary consumer)

• E. A mushroom (Decomposer)