Ecosystem Interactions Practice

What is the term for a living part of an ecosystem?

• Abiotic

• Biotic

• Limiting factor

• Carrying capacity

Tags

NGSS.MS-LS1-4

Which of the following is an example of an abiotic factor in an ecosystem?

• Plants

• Animals

• Water

• Bacteria

Tags

NGSS.MS-LS2-3

What is the term for a group of the same species living in the same area?

• Community

• Population

• Ecosystem

• Habitat

Tags

NGSS.MS-LS2-4

Which of the following describes a relationship where one organism benefits and the other is neither helped nor harmed?

• Parasitism

• Mutualism

• Commensalism

• Predation

What is the term for the maximum number of individuals that an environment can support?

• Limiting factor

• Carrying capacity

• Population density

• Biotic potential

Which of the following is an example of a limiting factor in an ecosystem?

• Abundant sunlight

• Limited water supply

• High biodiversity

• Stable climate

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How does competition affect population size in an ecosystem?

• It increases population size

• It decreases population size

• It has no effect on population size

• It stabilizes population size

Tags

NGSS.MS-LS2-4

Which of the following is an adaptation that helps organisms survive in their environment?

• Bright coloration in poisonous frogs

• Large size of an elephant

• Long neck of a giraffe

• All of the above

Tags

NGSS.MS-LS4-4

What is the role of a predator in an ecosystem?

• To increase the population of prey

• To control the population of prey

• To provide food for producers

• To compete with prey for resources

Tags

NGSS.MS-LS2-2

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

• All the abiotic factors in an area

• All the populations of different species in an area

• A single species in an area

• The physical environment of an area