8th Grade Science EOG

Front

What is the difference between an epidemic and a pandemic?

Back

An epidemic affects fewer people than a pandemic.

Front

In a food web, what flows from producers to consumers along with energy?

Back

Carbon and oxygen.

Front

What do differences in homologous structures suggest about organisms?

Back

They have similar ancestors but adapted to live in different environments.

Front

What does finding an index fossil in the same sedimentary layer as another fossil indicate?

Back

The relative age of the fossil.

Front

Which of the following is a compound: H, Cu, NaCl, O3?

Back

NaCl.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis.

Front

Define a consumer in ecological terms.

Back

An organism that obtains energy by feeding on other organisms.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organisms and recycle nutrients back into the soil.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity increases resilience and stability of ecosystems.

Front

What is the process of photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.