Unit 1 Biology Benchmark Exam

Front

Which of the following is the most reliable source for scientific information? A personal blog post, A peer-reviewed journal article, A social media post by a celebrity, A Wikipedia entry

Back

A peer-reviewed journal article

Front

Scientific inferences are based on:

Back

Observations and data

Front

Which question is outside the boundaries of scientific investigation?

• What causes acid rain?
• How does photosynthesis work?
• What is the meaning of life?
• What factors affect biodiversity?

Back

What is the meaning of life?

Front

A scientific theory is best described as:

Back

A well-supported explanation

Front

Which statement is true about scientific laws and theories?

Back

Laws describe; theories explain

Front

Which factor most affects the distribution of life in aquatic systems?

Back

Salinity and temperature

Front

Seasonal changes in an ecosystem may result in:

Back

Migration and dormancy

Front

Loss of biodiversity can result from: Increased rainfall, Introduction of invasive species, Natural selection, Photosynthesis

Back

Introduction of invasive species

Front

Which factor directly affects population size?

Back

Birth and death rates

Front

In a food web, decomposers:

Back

Break down dead organisms