The correct answer is D. All objects are made up of atoms, but only living things are made up of cells as well. For example, a rock is not made of cells, only atoms, but a human is made up of both cells and atoms.
Answer: 1. Net primary productivity
2. there will be less organic matter available
3. it decreases
4. ethanol
5. there isn’t enough energy available to support secondary consumers
Explanation:
The basic steps of light-dependent reactions are:
• Light absorption in Photosystem II (PSII) and excitation of PSII
• ATP synthesiS-proton gradient in electron transport chain isdriving ATP production in a process of chemiosmosis
• Light absorption in Photosystem I (PSI) and excitation of PSI
• Reduction of NADP+ and the photolysis of water.
Positive feedback in a system is a benefit for the entire system
Answer: Option B
<u>Explanation:</u>
The positive mechanism is a stimuli that the body exhibits when in time of need which actually benefits the entire system. When required the positive feedback runs to rescue and neutralize the effect caused by the negative impact which paves a way to maintain equilibrium throughout the body.
Many examples can be cited for this like blood clotting, during labor and even in ripening of fruits. Positive and negative feedback work hand in hand to maintain homeostasis in place. Positive feedback is required to enhance the system while the negative feedback is to inhibit the activity.
