Answer:
The first living things on Earth, single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.
Tissues is the most basic organismal level, <span>which are groups of similar cells that act as a functional unit. </span>
Answer:
Each arrow indicates a dependency
Explanation:
D depends on A, B, C; and C depends on B and D. Whereas A and B are each independent
Answer:
A) Deoxyribose- the purple pentagon
B) phosphate - the blue circle
C) nitrogenous base - the blue rectangles in the middle that are connected
Explanation:
