Answer:
activation of 100 molecules by a single signal binding event
Explanation: i hope this help
Positive feedback loops enhance or amplify changes and this moves a system away from its equilibrium state and make it more unstable.
Begins to decline and die off, because other organisms are competing for those same resources
Answer: C. It changes the course of deep ocean currents
Explanation: deep ocean currents consists of cold water flowing slowly across the ocean floor
Fruits and vegetables are the two food groups for which teens should select the same number of servings each day
<h3>What do number of servings mean ?</h3>
The quantity of food listed on a product's Nutrition Facts label, also known as the food label, is referred to as a serving. The serving sizes vary between items. Sizes can be expressed as numbers, such as three crackers, or as cups, ounces, grammes, pieces, or slices.
- The serving size indicates how much food or liquid an individual generally consumes. It does not suggest how much food or liquid you should consume. It's critical to understand that all nutritional information on labels, including the quantity of calories, refers to serving sizes.
Learn more about Servings here:
brainly.com/question/1481513
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