The middle primary germ layer is called MESODERM, which gives rise to a gelatinous material called MESENCHYME, which then gives rise to different types of connective tissue such as bone, cartilage, and blood.
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Fungus like protista reproduce with spores, they were reproduce is asexual reproduction!
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Answer:B, an introduced species is not necessarily harmful to the environment, an invasive species has a negative effect
Explanation:
The best answer is C - to break down food into nutrients.
The digestive system breaks down food into its simplest form that cell are able to utilize for energy. Food is broken down into its monomer units. Proteins are broken down into amino acids, lipids are broken down into fatty acids and glycerol and carbohydrates are broken down into glucose.
Glucose is then absorbed into the blood and transported to every cell in the body. The cells take in glucose and use it as fuel and raw material in the process of cellular respiration. From one molecule of glucose, 36 to 38 molecules of ATP ( the form of energy used by cells) are produced.
Ion transport or active transport depending on which situation you have.
