FALSE
All organisms use this "mechanism" to defend their food and shelter. Birds protect their nest just like all other animals and they fight for food.
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The answer is ' B "
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Answer & explanation:
The cell was discovered in 1669 by the English scientist Robert Hooke when looking at a piece of tissue in a two-lens microscope. Hooke was able to visualize small cavities in the experiment piece, then naming such cell cavities.
Only a century and a half after the discovery of the cell, that the Cell Theory was launched, replacing the theory of spontaneous generation (or abiogenesis).
Before that, many scientists were already busy understanding the structure and functioning of the cell, generating knowledge that became fundamental to the development of biology, specifically cytology, a branch of science that studies the structure, functions and development of cells.
Answer:
2
Explanation:
MA=l/h
The length is 100 and the height is 50
100/50=2