Answer:
Cell
Explanation:
Cells are the structural and functional unit of life. Irrespective of species, all the organisms are made of one or more cells. Unicellular organisms such as bacteria have a single cell in their body while the body of multicellular organisms has many cells. A cell is able to perform vital life processes such as reproduction, nutrition, metabolism, excretion, growth, and sensitivity to surroundings.
These life processes are not performed by non-living things. Cells have organelles and macromolecules such as DNA, proteins, etc. However, these organelles and molecules do not exhibit vital life processes unless they are present in the cells. Therefore, cells are the smallest unit of life.
Answer:
yes
Explanation:
A bone is a rigid organ that constitutes part of the vertebrate skeleton in animals. Bones protect the various organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, and enable mobility.
Answer:
The solar System is too big to do a scale model of.
Explanation:
It would be rediculous to even try to sell or make a scale model of the solar system, and so the reason store bought solar systems are smaller is because they have to be.
Answer:
B. (◕ᴗ◕✿)(◕ᴗ◕✿)▼・ᴥ・▼◖⚆ᴥ⚆◗
Answer:
D. a bacteriophage
Explanation:
A. and B. need extreme environments to survive.
C. is actually beneficial to us, especially in the digestive tract.
D. is a type of virus!
