Ecosystem Dynamics notes and review

What are limiting factors in an environment?

• Elements that increase population growth

• Factors that restrict population size

• Resources that are always abundant

• Conditions that never change

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How do changes in abiotic and biotic factors affect ecosystem dynamics?

• They have no effect

• They only affect plant life

• They can alter the balance and interactions within the ecosystem

• They only impact water sources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How does biodiversity support the homeostasis of an environment?

• By reducing species interactions

• By increasing the number of predators

• By providing stability and resilience to changes

• By eliminating competition

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What factors affect the homeostasis of an environment?

• Only temperature

• Only human activities

• A combination of biotic and abiotic factors

• Only sunlight

Tags

NGSS.MS-LS2-3

What is the most inclusive level of organization in ecology?

• Population

• Biosphere

• Community

• Ecosystem

What is an example of an organism/individual?

• A group of people

• A single tree

• A single organism

• A forest

What is a population in ecological terms?

• A group of different species in a given area

• A group of the same species in a given area

• A single organism in a given area

• A group of plants in a given area

What is a community in ecological terms?

• A single species living in an area

• All the different species living in the same given area

• Only the plants in a given area

• Only the animals in a given area

Which of the following is an example of a community?

• A single tree in a forest

• All the plants and animals in the Amazon

• A group of fish in a pond

• A single bird species in a park

What is an ecosystem?

• A community of only living things

• A community of only nonliving things

• All the living and nonliving things in a given area and how they interact

• A group of similar species living together