Cells and Kingdoms

Fill in the blank: A _______ is the smallest unit of living matter. (p. 22)

• cell

• atom

• molecule

• organism

Fill in the blank: A _______ is a one-celled organism. (p. 23)

• unicellular

• multicellular

• colonial

• binucleate

Fill in the blank: A _______ is a many-celled organism. (p. 23)

• multicellular

• unicellular

• single-celled

• haploid

Fill in the blank: A _______ is a group of similar organisms in a genus that can reproduce more of their own kind. (p. 34)

• species

• genus

• family

• order

Fill in the blank: _______ is the food-making process in green plants that uses sunlight. (p. 54)

• photosynthesis

• respiration

• digestion

• transpiration

Fill in the blank: _______ is a green pigment found in plants. (p. 27)

• chlorophyll

• xanthophyll

• carotene

• anthocyanin

Fill in the blank: _______ is a group of cells that work together to perform a specific function. (p. 28)

• tissue

• organ

• system

• organism

Fill in the blank: An _______ is a part of an organism that is typically self-contained and has a specific vital function. (p. 28)

• organ

• cell

• tissue

• organism

Fill in the blank: _______ refers to the system of tubes in plants that transport water and nutrients. (p. 38)

• vascular

• nervous

• respiratory

• circulatory

What is the main idea of the passage?

• It expresses the main idea of the passage.

• It contains a minor detail.

• It presents a counter argument.

• It provides an example.