Answer:
Some organs are both a source and sink. Leaves are sinks when growing and sources when photosynthesizing. Rhizomes are sinks when growing but become sources in the spring when they provide energy for new growth.
Explanation:
Liquids and gases are similar in both shape and volume because they both have its shape determined by its surroundings.
Gases, liquids and solids are all made up of atoms, molecules, and/or ions
Answer: The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.
Answer:
Plants in the desert are succulent because they need to hold as store a lot of moisture