Are supported by a trained companion during childbirth.
Answer:
The phosphorus cycle does not involve any gaseous P compounds(it circulates through water, earth's crust, & living organisms AND does not include the atmosphere) Identify EITHER one nitrogen compound OR one phosphorus compound that is considered a pollutant when released by human activity into the environment.
Explanation:
A plant cell has a cell wall AND a cell membrane. An animal cell only has a cell membrane.
An animal cell has centrioles. A plant cell does not.
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Answer:
Jean Baptiste Lamarck
His work inspired Darwin's ideas of natural selection. Lamarck also came up with an explanation for vestigial structures. His evolutionary theory was rooted in the idea that life started out very simple and developed over time into the complex human form.
Explanation: