7.12A Ecosystems

Multiple Choice

What is the first step you should try if you are experiencing technology issues, according to the instructions provided?

• Call tech support immediately

• Restart your computer

• Try clearing cache and cookies

• Send an email to your teacher

Open Ended

Do you think the differences in genetics, species, and ecosystems are a benefit or a threat to the ecosystem? Explain your reasoning.

Open Ended

Describe how biodiversity contributes to the sustainability of an ecosystem, using examples from the images provided.

Multiple Choice

Which of the following is NOT listed as an importance of biodiversity in the ecosystem?

• Provision of food security

• Speed recovery from natural disasters

• Increase in pollution

• Genetic diversity

Multiple Select

Which of the following are ecosystem services provided by forests?

• Production of food

• Medicine

• Pollution

• Shelter

Multiple Choice

Which of the following best describes an ecosystem?

• A group of the same species living together

• A biological community of interacting organisms and their physical environment

• A collection of non-living things

• A single organism in its habitat

Multiple Choice

Who coined the term 'ecology' and what does the word 'eco' mean?

• Charles Darwin; 'eco' means 'nature'

• Ernst Haeckel; 'eco' means 'house'

• Gregor Mendel; 'eco' means 'earth'

• Rachel Carson; 'eco' means 'environment'

Multiple Select

Which of the following are examples of ecosystems?

• Lake

• Desert

• Ocean

• Mountain

Multiple Choice

Which of the following is a biotic factor in an ecosystem?

• Water

• Sunlight

• Fish

• Temperature

Multiple Choice

Which of the following is an abiotic factor that affects ecosystems?

• Beaver

• Soil

• Fish

• Plants

Multiple Choice

What is the main effect of microorganisms living in the digestive tracts of animals?

• They always harm the animal

• They help digest food

• They cause prey populations to decrease

• They provide sunlight