Ecology Vocab

Open Ended

Why is it important to study the interactions of organisms with their environment?

Multiple Choice

Which of the following best describes a species?

• A group of organisms that can mate and produce viable offspring

• All the living parts of the planet

• The number of organisms in a geographical area

• The non-living parts of the environment

Multiple Choice

Which of the following best describes the difference between a community and an ecosystem?

• A community includes only living organisms, while an ecosystem includes both living organisms and their non-living environment.

• A community includes both living and non-living things, while an ecosystem includes only living organisms.

• A community is larger than an ecosystem.

• A community is made up of only one species, while an ecosystem is made up of many species.

Fill in the Blank

Primary producers use the energy from the ___ to convert it to chemical energy.

Open Ended

Explain how food chains and food webs differ in representing the flow of energy in an ecosystem.

Open Ended

Describe how weather and climate differ and why understanding both is important for studying ecosystems.

Multiple Choice

Which of the following best describes a community in an ecosystem?

• A group of organisms living in a particular area and interacting with the living parts of their environment

• The role a species plays in its environment, including all of its interactions with living and non-living things

• A relationship in which one organism relies on another for survival

• The maximum population size an environment can hold

Open Ended

Explain how competition and symbiotic relationships can affect the survival of organisms in an ecosystem.

Multiple Select

Which of the following are factors that can define a biome?

• Temperature

• Precipitation

• Soil type

• Geographical area

Fill in the Blank

The evolution of a biological community over time is known as ___.

Multiple Choice

What is the main consequence of biomagnification in a food chain?

• Increasing concentration of a substance as it moves up the food chain

• Decrease in biodiversity

• Increase in carrying capacity

• Reduction of ozone layer

Fill in the Blank

A layer of O3 molecules in the atmosphere that blocks harmful UV radiation from the sun is called the ___.

Multiple Choice

Which of the following best describes a population in ecological terms?

• A group of organisms that can mate and produce offspring

• The living parts of the planet

• The number of a group of the same organisms living in a particular geographical area

• The study of interactions of organisms with their environment

Open Ended

How are the concepts of ecology and biosphere related to each other?