Answer:
The Answer Is True.
Explanation:
Without any chlorophyll the energy available from the sun would not be in use by living organisms with out chlorophyll
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Answer:
Lymph nodes absorb excess fluid from blood
Explanation:
Lymph nodes are part of lymphatic system. Lymph nodes perform two main function; one is to enhance the immunity by producing immune cells, and other is to absorb excess fluid that is continuously leaking from blood vessels. this fluid includes water, protein and other substances too. Lymph nodes are rich source of immune cells too.
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations<span> occur in non-reproductive cells and won't be passed onto offspring. For example, the golden color on half of this Red Delicious apple was caused by a somatic mutation. Its seeds will not carry the mutation.
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A single germ line mutation can have a range of effects:
<span><span>No change occurs in phenotype.
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.</span><span>Small change occurs in phenotype.
A single mutation caused this cat's ears to curl backwards slightly.</span><span>Big change occurs in phenotype.
Some really important phenotypic changes, like DDT resistance in insects are sometimes caused by single mutations. A single mutation can also have strong negative effects for the organism. Mutations that cause the death of an organism are called lethals — and it doesn't get more negative than that.</span></span>
