Equilibrium is best describe by a reaction. Equilibrium exists for a reaction when as time goes to infinity there will be no change in the system at that certain conditions. There are two types of equilibrium : dynamic equilibrium and static equilibrium. Static equilibrium happens when all particles are at rest or has no movement. This can also be termed as a steady-state system. On the other hand, dynamic equilibrium happens when the forward reaction rate is equal to the backward reaction rate. In short, dynamic equilibrium is a reversible reaction while static equilibrium is an irreversible reaction.
Answer:
It helps the sea turtles to survive because there are seagulls and other predators at the beach, so they will eat at least some of the baby turtles. But, when there are a large amount, the predators will be distracted with another baby turtle and hopefully at least some will make it to the ocean.
It consists of three main parts: text, maps and tables.It includes general information about the geology, topography, and climate of the area. The tables describe the types and volumes of soils in the area.
Answer:
A neuron has a cell body, an axon and dendrites. Apart from these structures, the white myelin sheath covers the axons. The gaps where myelin sheath is absent are called nodes of Ranvier. Axon terminals are the extreme ends of the axon from where nerve impulse is carried to the dendrites of the post synaptic neuron.
Explanation:
A neuron has a cell body, an axon, and dendrites.
Cell body: It is the metabolic center of the neuron and does not take part in the conduction of nerve impulse.
Axon and dendrites: These are the extensions arising from the cell body. Dendrites are smaller and more in number while axon is a single large extension.
The function of the axon is to carry the nerve impulse from the cell body to the axon terminals. Dendrites receive the nerve impulse from the axon terminal and pass it to the cell body. The ends of axons are called axon terminals. They synapse with dendrites of postsynaptic neurons.
The myelin sheath is the fatty layer present on long axons and serves to accelerate the rate of conduction of nerve impulse. The nodes of Ranvier are the gaps where the myelin sheath is not present.
The given statement is True.
Visual Receptors: Rods and cones are the two types of cells present in the retal part of eye which works as a visual receptors which establishes a synaptic network involving neurons which connects the receptors to brain and help us in visualizing. However loss of neurons in the retina because of any kind of physical or biological damage permanently cuts the connection of receptors with brain and it cannot be replaced naturally.
Hearing receptors: Inside the ears there is a small structure known as cochlea which contains the organ of corti which further contains the hair cells [sensory cells] working as hearing receptors but research till date concludes that mammalian cochlear hair cells do not regenerate, either spontaneously or after damage.
Taste receptors: The small little bumbs present of our tongue are known as papillae whioch functions as taste receptors as they contain taste buds. Scientifically there taste buds die off and regenerate every few weeks.
Olfactory receptors: These receptors keep on replacing due to continuous differentiation of basal cells which develop and are capable of restablishing the connection with Central nervous system.
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