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- 1. Multiple ChoiceWhich best describes the main job of most cells in multicellular organisms?Cells work to keep themselves alive.Cells work to keep the organism alive.Cells work to release needed materials.Cells work to store unneeded materials.
- 2. Multiple ChoiceWhich organism performs all life processes in one cell?grassbacteriamushroombutterfly
- 3. Multiple ChoiceWhich organisms are capable of surviving as a single cell?bacteriahumansplantsfish
- 4. Multiple ChoiceWhich best explains why humans are multicellular organisms?Human cells are too small to function alone.Human cells join together to form one large cell.Humans need many cells to carry out life processes.Humans have many systems that perform the same function.
- 5. Multiple ChoiceMolly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?amoebaflowermushroominsect
- 6. Multiple ChoiceHow are algae able to survive?The algae get energy from other algae.The algae do not require energy to survive.The single cell controls all the algae’s life processes.Other multi-celled organisms provide food for the algae.
- 7. Multiple ChoiceWhy do humans require many different types of cells to survive?Human cells are identical and work together to perform the same function.Human cells are specialized and work together to perform the same function.Human cells are identical and work independently to perform different functions.Human cells are specialized and work independently to perform different functions.
- 8. Multiple ChoiceWhich is the best way to classify grasshoppers?Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.
- 9. Multiple ChoiceWhich statement best describes a bacterial cell?It contains more than one cell.It is a complete organism.It is part of a larger organism.It contains different kinds of cells.
- 10. Multiple ChoiceA class is modeling the differences between a unicellular organism and a multicellular organism. Which example is a model of a unicellular organism?a student passing out water to a groupa student getting cereal from the cabinettwo students collecting trash from a groupfour students working together to move a desk
- 11. Multiple ChoiceA single-cell organism can do everything a cell from a multicellular organism can do exceptspecialize.reproduce.use energy.make protein.
- 12. Multiple ChoiceWhich is an example of a single-celled organism?fishtreefungihuman
- 13. Multiple ChoiceWhich best describes a multi-celled organism?basicsimpleuniformcomplex
- 14. Multiple ChoiceWhich statement would most likely be found in an article about multi-celled organisms like plants?Plants have a simple structure.Plants contain only one cell that performs all functions.Plants do not need to eat, remove waste, or reproduce.Plants contain many specialized cells that perform different functions.
- 15. Multiple ChoiceHow are single-celled organisms and multi-celled organisms similar?Both need food for energy and growth.Both have a skeletal system for support.Both require the interaction of many cells to survive.Both are able to carry out all life functions in only one cell.
- 16. Multiple ChoiceHow are multi-celled and single-celled organisms different?Multi-celled organisms need energy to survive, while single-celled organisms need no energy to survive.Single-celled organisms can be seen without using a microscope, while multi-celled organisms are microscopic.Multi-celled organisms have large numbers of specialized cells to perform a variety of life functions, while single-celled organisms complete life functions with one cell.Single-celled organisms have large numbers of identical cells that all perform the same function, while multi-celled organisms have cells that are all different and perform different life functions.
- 17. Multiple ChoiceFungi and bacteria are both single-celled organisms. What do they most likely have in common?Both fungi and bacteria are large organisms.Both fungi and bacteria can carry out all life functions in their one cell.Both fungi and bacteria need sunlight and nutrients from the soil to be able to grow.Both fungi and bacteria are highly specialized to do only one job so they must work with other cells to obtain food.
- 18. Multiple ChoiceWhich best explains why both cats and humans are multicellular organisms?They get energy from many food sources.They get energy from a single food source.They need only one cell to meet their basic needs.They need many cells working together to meet their basic needs.
- 19. Multiple ChoiceWhich is a difference between frogs and bacteria?Frogs are able to control all life processes in one cell, while bacteria cannot.Frogs are single-celled organisms, while bacteria are multi-celled organisms.Frogs are multi-celled organisms, while bacteria are single-celled organisms.Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.
- 20. Multiple ChoiceA scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?size of the cells of the organismwhat the organism eatshow many types of cells are in the organismhow fast the organism grows
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