Semester Exam Review Test

Front

Which macromolecule includes fats, oils, and sterols?

Back

Lipids are macromolecules that are usually hydrophobic and include fats, oils, and sterols.

Front

What is a population?

Back

A population is a group of one species in one area.

Front

What type of growth model is shown in image A?

Back

The growth model shown is Logistic.

Front

Which of the following is/are abiotic factors?

Back

Abiotic factors include climate, humidity, and water; they are all abiotic factors.

Front

Which organisms alter Earth’s natural resources beyond nature's ability to repair?

Back

Humans alter Earth’s natural resources (biodiversity, land, water, air) beyond the level of nature's ability to repair.

Front

What are the four main types of macromolecules?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

Define abiotic factors.

Back

Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms.

Front

What is the difference between exponential and logistic growth?

Back

Exponential growth occurs when resources are unlimited, leading to rapid population increase, while logistic growth occurs when resources are limited, leading to a stabilization of population size.

Front

What role do humans play in ecosystems?

Back

Humans can significantly impact ecosystems by altering habitats, introducing invasive species, and changing the natural balance of resources.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of species, genetic diversity, and ecosystem diversity.