<span>ecosystems limiting factors include the temperature of the water, sunlight, the amount of nutrients, and dissolved oxygen content, which is the amount of oxygen gas dissolved in a given volume of water at a particular temperature and pressure. The salinity can also be a limiting factor in aquatic ecosystems.</span>
Answer:
Nerve impulse
Explanation:
A nerve impulse is transmitted through the synaptic cleft by acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the presynaptic membrane releasing the acetylcholine. The transmitter substance makes the membrane permeable. An action potential is then formed along the neuron.
Answer:
The correct option is<em> b. at each step, energy is lost from the system</em>
Explanation:
The amount of energy that travels from one trophic level to another is known to declines at each level. Infact, only 10% of the energy travels from one trophic level to another.
This is because most of the energy is lost by the organisms at each trophic level. It is due to the metabolic processes which occur in the organisms of each trophic level and most of the energy is lost as heat.
Answer:
The amount of the lighted side of the moon you can see is the same during
a. new moon and full moon phase.
b. new moon and first quarter phase.
c. first quarter and third quarter phase.
d. full moon and third quarter phase.
Please select the best answer from the choices provided
Explanation:
c