Primary succession occurs in essentially lifeless areas while secondary succession happens where there were previous communities
• Wear safety goggles
• Hold the test tube at an angle. Point the test tube away from yourself and all other people. Heat the test tube over the bunsen burner gently from the top of the substance being heated, and always.
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It’s the first one!
compact bone is a dense bone with a bony matrix that is solidly filled with arya if ground substance and inorganic salts, leaving only tiny spaces (lacunae) that contain osteocytes, or bone cells. Immature compact bone DOES NOT CONTAIN OSTEONS and has a woven structure.
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If the prey is not getting enough food, they will eventually die which affects the number of predators because then the predator species would also die
Answer:
Gills allow for gas exchange
Explanation:
