What is the smallest unit said to be alive?
All living things are made up of cells, which is the smallest unit that can be said to be alive.
An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)..
What is the smallest unit of time?
zeptosecondsGerman scientists say they have measured the smallest unit of time ever recorded. Researchers say the unit was measured in zeptoseconds. A zeptosecond is a trillionth of a billionth of a second.
What is the largest unit of life?
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
How do atoms behave?
Electrons are attracted to any positive charge by their electric force; in an atom, electric forces bind the electrons to the nucleus. … In some respects, the electrons in an atom behave like particles orbiting the nucleus. In others, the electrons behave like waves frozen in position around the nucleus.
Which is largest animal cell?
ostrich eggsLargest animal cell is ostrich eggs measuring about 170*135 mm in diameter.
Is an atom the smallest unit of life?
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. … All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms.
What cell is the smallest?
MycoplasmaThe smallest cell is Mycoplasma (PPLO-Pleuro pneumonia like organims). It is about 10 micrometer in size. The largest cells is an egg cell of ostrich. The longest cell is the nerve cell.
What is the longest cell?
Nerve cells- In the human body, the nerve cell is the longest cell. Nerve cells are also called neurons that are found in the nervous system. They can be up to 3 feet long.
What is the biggest cell?
ovumThe largest cell is ovum in the human body. The ovum also called egg cell is the reproductive cell in the female body. Ovum is 20 times bigger than the sperm cells and has a diameter of about 0.1 mm.