1st Semester review Science 7

Tissues are

• a. a group of organs that work together to perform body functions

• b. anything that can carry out life processes independently

• c. a group of similar cells that perform a common function

• uthe arrangement of parts in an organism

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Which of the following are true?

• All cells come from other cells.

• Cells are the basic building blocks of life.

• All organisms are composed of one or more cells.

• All of the above are true.

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Which statement of levels of organization from simplest to most complex?

• cells, tissue, organs, organ system, organisms

• organisms, organ system, organs, tissue, cells

• organ, cells, tissue, organ system, organisms

• tissue, cells, organ system, organism, organ

Makes energy for the cell

• Cytoplasm

• Nucleus

• Mitochondria

• Ribosome

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What are organs made of?      7.12C

• Tissues
• Organisms
• Organelles
• Chemical energy

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Which of the following is NOT one of the three parts of Cell Theory?

• All living things are made of cells.
• The cell is the smallest living thing that can perform all the functions of life.
• Cells are too small to see without a microscope.  
• All cells must come from pre-existing cells.

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When many organ systems work together it can form...

• organ
• cells
• organ system
• organism 

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The primary function of the chloroplast is to

• convert food into energy a cell can use

• control the functions of a cell and control genetic traits

• convert radiant energy into chemical energy through photosynthesis

• store water and nutrients

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stiff, protective outer layer of plant cells

• cell membrane
• nuclear membrane
• cell wall
• cytoplasm

Which of the following responses is a plant growing toward or leaning toward light?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

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