D. The microscope. It is now the workhouse of biology
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Answer:
Solid: State of matter with definite shape.
Gas: State of matter with particles very far apart.
1 or 3: Arrows that show particles getting closer together.
2 or 4: Arrows that show particles gaining energy.
Gas: State of matter that will fill any container.
Liquid: Sate of matter with definite volume but not shape.
Solid: State of mater with least amount of kinetic energy.
Explanation:
There are three states of matter :
Solid: It is the state in which atoms are tightly packed such that either they can make no movement at all or just can cause vibrations. Hence, solids have a definite shape and volume.
Liquids: When the solid molecules are heated, they gain energy and free themselves, converting into the liquid state. The molecules have a definite volume but not a definite shape.
Gas: When liquid molecules are heated together, they gain more energy and start hitting the walls of the container with a much greater space. They move more freely in this state and hence the molecules do not have a definite shape or volume in this state.
The part of the bacteria cells that helps them stick to the surface of objects or beings is called the <span>pilus, and the pilus is found all over the surface of the bacteria.</span>
Answer:
nutrition (obtaining food, to provide matter and energy needed for growth and survival),
metabolism (all the chemical reactions inside cells, including respiration), growth (an
irreversible increase in size), response (responding to stimuli), excretion (removing waste
products of cell metabolism), homeostasis (keeping the conditions inside the organism within
acceptable limits), and reproduction (producing offspring, either asexually or sexually)
