1.1 The Earth and Living Systems

The atmosphere and the hydrosphere work together ________.

• to maintain a consistent temperature for life on Earth

• to provide homes for most organisms living on Earth

• to keep ice caps from melting and sea levels from rising on Earth

• to allow the water cycle to constantly provide fresh water for Earth

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of these best explains the organization of the biosphere?

• Groups of biomes make up a community, and groups of communities make up an ecosystem.

• Groups of communities make up a population, and groups of populations make up a biome.

• Groups of individuals make up populations, and groups of populations make up communities.

• Groups of populations make up an ecosystem, and groups of ecosystems make up a community.

Which of these lists abiotic components of an ecosystem?

• river, grass, soil

• rocks, insects, trees

• minerals, water, air

• sand, saltwater, seabirds

Tags

NGSS.MS-LS2-3

Which statement is true of the many parts of the biosphere?

• Each part includes salt water.

• Each part is completely unique.

• Each part is isolated from the others.

• Each part is connected to all the others.

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NGSS.MS-LS2-2

Which of these is not a characteristic of all living things?

• They require an energy source.

• They breathe.

• They maintain stable internal conditions.

• They respond to changes in the environment.

Which of these is an example of a connection between biosphere and the hydrosphere?

• ice melting on a lake

• deer drinking from a stream

• a robin hatching from an egg

• minerals forming under Earth’s surface

Tags

NGSS.MS-ESS2-4

An organized group of related parts that interact to form a whole is a(n) __________.

• arrangement

• theory

• system

• adaptation

• structure

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NGSS.MS-ESS2-1

NGSS.MS-ETS1-1

The geosphere is one of four interconnected systems and includes __________.

• all nonliving parts of Earth

• every living thing on Earth

• continents, rocks, and sea floor only

• the features on and below Earth’s surface

Which of these is the maintenance of constant internal conditions in an organism?

• adaptation

• negative feedback

• structure specialization

• homeostasis

Tags

NGSS.HS-LS1-3

Think about homeostasis. Which of the following best describes what homeostasis is and why it is important to living organisms?

• A) Homeostasis is the process by which organisms maintain a stable internal environment, which is crucial for their survival.

• B) Homeostasis is the ability of organisms to adapt to external changes, which is important for their evolution.

• C) Homeostasis is the mechanism by which organisms produce energy, which is essential for their growth.

• D) Homeostasis is the process by which organisms reproduce, ensuring the continuation of their species.