True or False?
Plants do not have organ systems.
Enjoying Flashcards?
Tell us what you think
True or False?
Plants do not have organ systems.
False.
Plants have organ systems, e.g. the shoot system contains the stem, leaves and flowers.
What are cells?
Cells are the basic structural units of all living organisms.
Define the term organelle.
Organelles are structures within cells that carry out particular functions, e.g. the nucleus.
What are multicellular organisms?
Multicellular organisms have bodies that are made up of more than one cell.
Define the term cell specialisation.
Cell specialisation refers to the process by which cells become adapted to carry out specific functions.
List the levels of organisation in complex multicellular organisms.
The levels of organisation should be listed in the following order:
Organelles
Cells
Tissues
Organs
(Organ) systems
At which level of organisation is muscle in animals?
Muscle is a tissue. It is a group of muscle cells working together to bring about movement.
Name the organ system responsible for the transport of substances around the human body.
The organ system responsible for the transport of substances in humans is the circulatory system.
Define the term tissue.
Tissues are groups of similar cells that work together to carry out a specific function.
True or False?
Leaves are an example of a plant organ.
True.
Leaves are plant organs. They contain several tissues, e.g. palisade mesophyll, spongy mesophyll and vascular tissue, that work together to carry out photosynthesis.