The proposal that a human sperm contained a miniature human being is consistent with the now-discredited theory of development known as preformation theory.
Preformation theory, a historically well-liked belief that creatures develop from miniature replicas of themselves, has a long history in biology. Preformationists thought that the shape of living things already existed in reality before their growth, as opposed to being put together from components.
Hippocrates and Anaxagoras were the first thinkers to put forth a preformation theory, with Hippocrates proposing that the zygote contains all of the adult's structural components and Anaxagoras asserting that the paternal semen contains all of the child's components.
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Yes like the other person said leeches are most likely
This is true. Urea carries the bloodstream to your kidneys which then transport waste along with water to form urine.
Answer: fossils provide evidence of the past that shows how species of changed over time.
Explanation:
My teacher said it
