The concept of the struggle for existence<span> concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. The concept is ancient, and the term </span>struggle for existence<span> was in use by the end of the 18th century. From the 17th century onwards the concept was associated with a population exceeding resources.
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Pieces of genes can be inserted into the genetic material of prokaryotes so that they will make the protein products encoded in the genes or copies of the genes themselves
The basic unit of life is a D. cell.
D is the correct answer because although life is also made up of the other options, in the end, they are all made up of cells. A tissue is a group of specialized cells, and an organ is made up of different tissues. An organ system is a system of organs that work together.
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Schooling, hunting in packs
Answer:
In the Food Chain the greates amount of energy tranfer happens with the plants.
Explanation:
Plants - energy - herbivore - energy - Carnivore
100% 50%
This isn't exact but I hope it gives you the right Idea and helps