7th Grade Life Science

Which of the following statements is true for all living things (organisms)?

• All living things have organs
• All living things produce their own food through photosynthesis
• All living things are made of one or more cells
• All living things are made of more than one cell

Tags

NGSS.MS-LS1-1

What is the most basic unit of life?

• Tissue
• Cell
• Organ
• Organ System

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following shows biological systems from least to most complex?

• Cells, tissue, organ, organ system
• Tissue, cells, organ, organ system
• Organ system, cells, organism, tissue
• Organ system, organ, tissue

Which of the following is the best description of an organ system?

• The human heart and lungs
• A group of similar cells working together to complete a specific task
• The structure of an organ
• A group of organs working together to complete a specific task

What is the function of the nucleus within a cell?

• Containing a cell's DNA and acting as the cell's "brain"
• Manufacturing proteins
• Completing photosynthesis
• Storage space

Tags

NGSS.MS-LS1-2

Why are there so many different types of cells in multicellular organisms?

• Humans are relatively big
• Humans are heterotrophs
• Cells in multicellular organisms are specialized to complete different tasks or functions within the organism
• Cells in multicellular organisms are similar and complete only the same tasks or functions within the organism

Tags

NGSS.MS-LS1-3

What can be said about all cells?

• All cells contain chloroplasts
• All cells contain the same basic organelles, but are specialized for their function
• All cells contain cell walls
• All cells have different organelles, but can complete the same function

What leads to the development of specialized tissues, organs and organ systems?

• Continued cell division
• Growth in size of each cell
• Photosynthesis
• Organogenesis

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Where do plants receive the energy necessary to carry out photosynthesis?

• Heat from the sun
• Gamma radiation
• Light from the sun
• Wind

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is produced during photosynthesis?

• Carbohydrates, proteins and fats
• Leaves
• Chloroplasts
• Lights

Tags

NGSS.MS-LS1-6