WorksheetsCell and Cell systems (Topic 8)
Total questions: 15
Worksheet time: 8mins
The levels of organization in the human body are arranged from least complex to most complex. Which of the following is the order from least to highest level of complexity?
Cells, organs, tissues, systems
Systems, tissues, organs, cells
Systems, organs, tissues, cells
Cells, tissues, organs, systems
Which of these terms best fits into the space labeled 'X' in the diagram?
atoms
tissues
organisms
organ systems
Which of these levels in the organization of life contains the smallest units of life?
cells
molecules
organs
tissues
Ava has a list of organisms she is studying in science class. The organisms on her list are: bacteria, pine trees, and elephants. Which of the organisms on her list are made of cells
Pine trees because only plants are made of cells.
Elephants because only animals are made of cells.
Bacteria because only microscopic organisms are made of cells.
Bacteria, pine trees, and elephants because all organisms are made of cells.
Which action would best support the theory that all organisms are made of cells?
measuring the size of plants and animals
recording the population of a plant or animal species
looking at samples of plants and animals through a telescope
looking at samples of plants and animals under a microscope
Which part of cell theory does Shayna's sketch provide evidence for?
All cells are invisible.
All cells come from plant cells.
All organisms come from seeds
All organisms are made of cells.
Which feature do plant and animal cells have in common?
They take in energy from the sun.
They are able to make their own food.
They are green and shaped like rectangles.
They take in energy and release waste products to live.
What process allows the cells of organisms to maintain a constant internal environment even when external conditions change?
digestion
excretion
homeostasis
photosynthesis
A busy city is similar to a cell. Both a city and a cell are made up of many important parts that work together as a whole. What could you find in a city that has a similar function to the mitochondria in a cell?
a power plant
a water tower
a traffic signal
a street sweeper
Why are chloroplasts found in plant cells but not in animal cells?
Plant cells need rigid support.
Plant cells need to make food.
Plant cells need to store food and water.
Plant cells need to maintain homeostasis.
Why is a cell membrane important to both plant and animal cells?
It stores food and water
It controls the activities of the cell.
It uses energy from the sun to perform photosynthesis.
It provides a barrier between the cell and its environment.
Which cell organelle controls the activities of the cell?
chloroplast
mitochondrion
nucleus
vacuole
Which of the following gives the main function of the system shown?
preventing and fighting diseases
carrying oxygen to cells and waste from cells
controlling the functions of other body systems
breaking food into a usable form of energy for cells
What is the purpose of the reproductive system in the human body?
removing waste from the body
absorbing nutrients from foods
passing along genetic material to offspring
sending messages from the brain to other parts of the body
Which body system breaks down food for the body to use as energy?
circulatory
digestive
immune
musculoskeletal
