Answer:
Light energy or chemical energy
Explanation:
Light energy or chemical energy support the whole pyramid. Without it, plants/producers would die (they wouldn't be able to photosynthesize or chemo synthesize), leaving the first level consumers with no food, thus leaving the second level consumers with no food, and so on.
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Answer:
c) It introduces a premature stop codon into the mRNA
Explanation:
Nonsense mutation is a type of point mutation (single nucleotide base is changed) which leads to premature stop codon. Stop codons are also called nonsense codons and that is way this type of mutation is called nonsense mutation. As a consequence, synthesized protein is incomplete and shorter than it should be (truncated protein), usually nonfunctional.
Answer: true
Explanation: Growth refers to change in size, like weight or length. Development refers to changes in physical, social, emotional, and intellectual abilities.
B............................................. is the answer