Answer:
A postsynaptic potential is defined as excitatory if it makes it easier for the neuron to fire an action potential. ... A postsynaptic potential is considered inhibitory when the resulting change in membrane voltage makes it more difficult for the cell to fire an action potential, lowering the firing rate of the neuron.
Kidneys for transplant can come from a living or a cadaver. Nephrectomy is the surgical removal of one or both kidneys. It is done by removing a healthy kidney from what you call a donor.They are usually to treat kidney diseases and injuries.
A, because plant cells do have membrane-bound nuclei. they have chloroplasts, so that isn't it. Plants don't use oxygen for photosynthesis, but carbon dioxide. The plant walls are made up of cellulose,, not lipids. It must be A.
Answer:
Yesssss mercury Venus earth Mars Jupiter Saturn Uranus Neptune and my baby pluto
Answer:
An ecosystem exists within a biome. Biomes are home to many species of animals, which interact with one another to create an ecosystem.
Explanation:
An ecosystem is defined as "the interaction of plants and animals with nonliving things and each other." A biome is defined as "a large region of the world that has similar plants, animals and other organisms that are adapted to the terrain and weather of that region."