Answer: A is the correct answer for both 3 and 4.
A biological cycle, or rhythm, that is approximately 24 hours long is called a circadian cycle
When you see butterflies with different wing colors, you should conclude that there's a difference in their protein expression, so there's a mutation somewhere in the genome of the butterfly with the new color.
To answer the first question, if the desired color exists in nature, you should take the specific butterfly's caterpillars and raise them. If the desired <span>butterfly color doesn't exist in nature than you should wait for the mutation to occur (which could take many years) or look for the gene in the butterfly which is responsible for the pigmentation of their wings.
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For the second question, mutations in the gene of the coloration of the butterfly's wing could change the color, so what scientist do is to try to provoke different mutations on the caterpillar's gene until they have a butterfly with the desired color.
So everything is about molecular genetics, every difference between species is due to mutations.
Answer:
Explanation: Choosing food from farmers that aim to conserve the natural resources and have as little impact on the land as possible. But even buying as much as you can from local farmers makes a different. Eating more whole grains, vegetables, fruits and nuts, and less red meats and processed foods does too. Grow your own fruits and vegetables.
