d is correct answer of a question
In multi-celullar organisms , the cell cycle produces groups of cells that perform the same function. These groups of cells form what it is called a tissue. A tissue is made up of cells that all are specialised to perform the same function. A bunch of tissues form an organ. Organs are more complex in structure and functions.
lots of different organs together form an organ system.
Answer:
Five types of evidence for evolution are discussed in this section: ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA, and similarities of embryos.
Explanation:
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Multiple sites on the DNA during DNA replication allow the process to happen much faster than it would with a single site.
C. the cell membrane.
the membrane let's things in and out of the cell.
