Wk 14 - 7.L1.1 Single Cell Organisms

Which organisms have chloroplasts?

• A volvox and euglena

• B. amoeba and euglena

• C. paramecium and volvox

• D. euglena and paramecium

Which structure for movement is described as tail-like?

• cilia

• B. false foot

• C. flagellum

• D. pseudopod

Which protist contains chloroplasts and obtains energy through photosynthesis?

• A amoeba

• B. euglena

• c. paramecium

• D. zooplankton

Which statement describes the function of the eye spot in a euglena?

• A The eye spot assists in locating mates so the euglena can reproduce.

• B. The eye spot detects light so the euglena can perform photosynthesis.

• C. The eye spot identifies food sources so the euglena can move toward its food.

• D. The eye spot extracts energy from food so the euglena can obtain nourishment.

Most animal cells lack chloroplasts. Which function are these cells unable to complete?

• A protecting their DNA

• B. repairing cell damage

• C. making their own food

• D. storing water and waste

Which structure holds a cell's genetic material?

• A flagellum

• B. Golgi body

• C. nucleus

• D. vacuole

Which example best demonstrates a cell functioning to maintain balance?

• A Chloroplasts make food for a cell.

• B. Mitochondria break down food and release energy.

• c. The nucleus contains the genetic material needed to create energy.

• D. The cell membrane controls the transport of water into and out of a cell.

A surgeon specializes in surgery involving the esophagus, stomach, and intestines. On which level of organization does this surgeon focus?

• A cell

• B. organ

• C. organelle

• D. tissue

Which is the most complex level of biological organization?

• A organ

• B. organism

• C. organelle

• D. organ system

Which statement best describes tissues and organs?

• A Tissues form organs, and organs form cells.

• B. Tissues form organ systems, and organs form tissues.

• C. Tissues are composed of cells, and organs are composed of tissues.

• D. Tissues are composed of cells, and organs are composed of organelles.