The sky is transparent not blue, it only appears to be blue because of the ocean. but in the night it appears to be dark grey. the sky being blue is considered as an optical illusion.
Answer:
B Decomposers
Explanation:
There is nothing to eat the dead animals/ leaves for when they die
Answer:
1. Mutation
2. Gene flow
Explanation:
New traits can be made when there is an error in gene replication, called a mutation. The mutation will give the offspring different genes that might be harmful or beneficial to the organism.
Gene flow happens when any organisms from other places immigrate into the population. If these organisms can reproduce with the local organisms, it will introduce new traits that was not originally come from the population.
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