Web of Life Unit Review

Front

What are phytoplankton classified as?

Back

Producers, not decomposers. They are a type of microscopic plant that forms the base of aquatic food webs.

Front

What do scientists call the mounds of soil that earthworms bring to the surface?

Back

Castings, which are nutrient-rich soil produced by earthworms.

Front

How do scientists learn about dinosaurs?

Back

Through fossil evidence, comparative anatomy, and modern technology such as imaging techniques.

Front

What word means: an animal that eats another?

Back

Predator, which refers to organisms that hunt and consume other organisms.

Front

Of the 2 things that trees are mostly made of, what is the MAIN thing they are made of?

Back

Air, as trees primarily consist of carbon dioxide absorbed from the atmosphere during photosynthesis.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.

Front

What is the primary function of producers in an ecosystem?

Back

Producers, such as plants and phytoplankton, convert sunlight into energy through photosynthesis.

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat plants, while carnivores eat other animals.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, stability, and productivity.

Front

How do food chains and food webs differ?

Back

Food chains show a linear path of energy flow, while food webs illustrate the interconnected relationships among various organisms.