Answer:
The correct option is B. The claim is invalid because there are many types of bacteria that help organisms maintain homeostasis.
Explanation:
Bacteria are often considered to be disease or infection-causing organisms but this is not true. Not all bacteria are harmful, many other bacteria's play essential roles in the maintenance of life on the Earth. The human body is made of many bacteria which help in maintaining the homeostasis of the body. The human body is surrounded by enormous bacteria that are good and they are termed as human's natural microbiota.
The four stages of human life after birth are;
infancy
childhood
adolescence
then adulthood
Answer:
Changes in the genes DNA sequence can change proteins by altering their amino acid sequences, which may directly affect one's phenotype.
Explanation:
C is the correct answer because
1. producer creates its own food
2. consumer eats producer so it gets energy
3. consumer or producer die giving way for decomposers
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Out of the choices given, the way this this provides evidence for evolution is since the genetic code is the same across species, these species must have inherited it from a common ancestor. This will make the correct answer D. <span />
