Answer:varied in size
Explanation:Galaxies vary in appearance. Galaxies differ greatly in size. Some contain as few as a hundred million stars, but the biggest have more than a trillion stars. Galaxies also vary in shape.
Answer;
-Cell
Explanation;
-The cell is the smallest structural and functional unit of living organisms, which can exist on its own. Therefore, it is sometimes called the building block of life. Cells make up the smallest level of a living organism such as human beings and other living things.
-The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life. Some organisms, such as bacteria or yeast, are unicellular; consisting only of a single cell, while others, for instance, mammalians, are multicellular.
Answer:
loss of biodiversity
Explanation:
Biodiversity- refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.
loss in biodiversity affect food chains greatly
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<h2>Answer:</h2>
The two important uses of biotechnology is the gene therapy and Genetic engineering.
<h3>Explanation:</h3>
- Gene therapy is the manipulation of genes in the genetic make up of an individual to eradicate the inheritable genetic disorders.
- The second use is the genetic engineering. Which is the genetic changes of an organism or micro organism to produce a desirable product.
- For example the transfer of human gene into bacteria for the production of insulin.
- Biotechnology is also used in the diagnostic techniques of genetic disorders.
