Life Science 7 - Structure/Function & Cells

The image shows four different embryos at a similar state of development. Based on the diagram, which statement is most likely to be true?

• All four species live in a similar habitat
• All four species use gills throuhout their lives
• All four species have originated in the same era
• All four species have descended from a common ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

You and another student are observing cells in a microsope. You observe the cell in the picture. Your friend says, "Oh, this is a prokaryotic cell, because it is a single cell." Which of the following is the BEST way to respond?

• Yes, it is prokaryotic because it doesn't have a nucleus and it has free-floating DNA
• Yes, it is prokaryotic because all single-celled organisms are prokaryotic
• No, it's not prokaryotic because it does not have a flagellum.
• No, it's not prokaryotic because it has a nucleus and specialized organelles.

Tags

NGSS.MS-LS1-1

Which of the following is TRUE about specialized cells?

• All specialized cells have the same DNA.
• Specialized cells come from different organisms
• Specialized cells are not related to each other
• Not all multicellular organisms have specialized cells.

Which of the following is a true statement about cells?

• A multicellular organism is born with all the cells it is ever going to have.
• The number of cells, not the size of the cell, determines the size of multicelluar organisms.
• A blue whale has larger cells because its body is larger.
• When organisms grow, their cells grow larger too.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which scientist is known for the discovery of microorganisms, which he called "animalcules," using a simple microscope?

• Robert Hooke
• Matthias Schleiden
• Anton van Leeuwenhoek
• Albert Einstein

Which of these is NOT a common characteristic of life?

• All living things have cells
• All living things grow and develop
• All living things eat food and breathe air.
• All living things maintain a stable internal environment.

Tags

NGSS.MS-LS1-4

Students are trying to decide if a self-driving car is considered alive. Which characteristic of life would you MOST LIKELY use to prove that self-driving cars are not alive?

• React and respond to environment
• Need and use Energy
• Change over time
• Made of Cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

A common characteristic of all living things is that they

• breathe air
• walk upright
• are made of cells
• use sunlight for growth

Tags

NGSS.MS-LS1-1

A student was taking notes while the teacher was discussing cells. Which of these is a statement that the teacher most likely made?

• Most cells have the same shape.
• The shape of a cell depends upon its function.
• Cells that carry information are round and disk-shaped.
• Blood cells that move through the body are long and thread-like.

Tags

NGSS.MS-LS1-2

Which structure is present in eukaryotic cells but not in prokaryotic cells?

• cytoplasm
• nucleus
• ribosomes
• plasma membrane