Maintaining Life

Suppose people ignore a sign telling them to keep out of a protected area. What might happen if they enter the protected area? (select all that apply)

• Increased water pollution due to littering.

• Habitat fragmentation from walking on trials.

• Increased participation in conservation efforts.

• Spread of a nonnative species.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

Humans depend on healthy ecosystems because...(select all that apply)

• healthy ecosystems provide a variety of services and are more stable during disturbances.

• we depend on ecosystem services for food, good health, and protection.

• healthy ecosystems have high biodiversity which makes them stable and reliable.

• All of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How does protecting habitats help to maintain biodiversity?

(Think about the positive and negative affects on the living and nonliving parts and the ecosystem as a whole.)

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-LS2-1

The most successful solutions...(select all that apply)

• meet the needs of ecosystems.

• protect wildlife and services.

• meet the needs of people.

• allow people to maintain their quality of life.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

NGSS.MS-ETS1-3

During what part of the engineering method should conservation scientists collect data about ecosystem biodiversity and services?

• Before setting criteria and constraints

• After setting criteria and constraints

• Before writing the final conclusion.

• The entire time.

Tags

NGSS.MS-ETS1-1

What are the 3 big ideas from this unit?

• Everything in ecosystems are interconnected.

• Ecosystem health is determined by disturbance recovery time.

• High biodiversity leads to faster recovery times and healthy ecosystems.

• Biodiversity and ecosystem health are not linked at all.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which of the following processes is essential for maintaining homeostasis in the human body?

• Photosynthesis

• Cellular respiration

• Fermentation

• Evaporation

What is the primary function of the circulatory system in maintaining life?

• Transporting nutrients and oxygen to cells

• Digesting food

• Producing hormones

• Filtering waste from the blood

Which organelle is responsible for energy production in cells, crucial for maintaining life?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

Tags

NGSS.MS-LS1-7

In an experiment to measure the effect of temperature on enzyme activity, what is the dependent variable?

• Temperature

• Enzyme concentration

• Reaction rate

• pH level

Tags

NGSS.MS-PS3-4