The answer is D, sunlight
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Answer:
Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots. Which of the following predictions about the activity of platelets best describes a positive feedback mechanism?
Activated platelets release chemicals that inhibit blood clot formation
Explanation:
Blood platelets inhibits blood clot formation with the aide of vitamin K that enhances the clotting factor
Answer:
Jackals, rabbits, snakes, mice, and green plants
Explanation:
Jackals are prey to eagles, rabbits and mice are prey to snakes, snakes are prey to owls, and green plants are prey to basically any herbivore, such as deer.