U1: Mid-Summative Review - Life, Hierarchy, Structure/Function

Rocks are not living because

• they never move

• they aren't needed for humans

• they are not made of cells

• they don't break down

Answer explanation

Rocks are not living because they are not made of cells.

Tags

NGSS.MS-LS1-1

The basic unit of structure and function in the human body is the....

• organ

• organ system

• cell

• tissue

Answer explanation

The basic unit of structure and function in the human body is the cell.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.

• Grow and develop

• Respond to a stimulus

• Acquire and use energy

• Reproduce

Answer explanation

The characteristic shown is 'Respond to a stimulus' because the plant adjusts its position to follow sunlight, which is a response to an external stimulus.

Which of these is not true about all organisms?

• all living things are multicellular

• all living things obtain and use energy

• all living things reproduce

Answer explanation

The statement 'all living things are multicellular' is not true about all organisms, as some organisms are unicellular.

Which item listed is NOT a characteristic of life?

• adjusting to stimuli

• getting and using energy

• growing and developing

• breathing

Answer explanation

The correct choice is 'breathing' because breathing is not a characteristic of life. While organisms need to exchange gases, not all organisms breathe in the same way as humans do.

Which of the following is not a characteristic of life?

• Has cells

• Able to reproduce

• Able to adapt and evolve

• Movement

Answer explanation

The correct choice is 'Movement' because movement is not a universal characteristic of life, while having cells, reproducing, and adapting are common traits among living organisms.

Tags

NGSS.MS-LS1-1

Biology is the _____.

• study of abiotic factors

• study of life

• study of chemicals and their properties

• study of the physical properties of the world

Answer explanation

Biology is the study of life.

The building up or breaking down of materials is called ____.

• homeostasis

• metabolism

• multicellular

• stimulus

Answer explanation

The building up or breaking down of materials is called metabolism, making it the correct choice.

Tags

NGSS.HS-LS1-6

NGSS.HS-LS1-7

True or False: Living things must be multicellular.

• True

• False

Answer explanation

Living things do not have to be multicellular. They can be unicellular organisms like bacteria or yeast.

Tags

NGSS.MS-LS1-1

Something that was not alive, was never alive, and will never be alive is called ____.

• biotic

• dead

• living

• non-living

Answer explanation

Something that was not alive, was never alive, and will never be alive is referred to as non-living, making it the correct choice.