Answer:
An aquarium can therefore be described as a closed artificial ecosystem in which fish and plants are able to find a habitat where they can grow and develop in a healthy and balanced way. Each aquarium must therefore be consciously designed, developed and managed to facilitate the establishment of the virtuous cycles that occur spontaneously in nature and give rise to the interactions.
Answer:Which of the following correctly compares how plant and animal cells differ? Plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls. ... Animal cells have DNA in their nuclei and mitochondria, while plant cells have it in their nuclei, mitochondria, and chloroplasts.
Explanation:
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Answer:
The presynaptic membrane is formed by the part of the presynaptic axon terminal forming the synapse and that of the postsynaptic neuron is called the postsynaptic membrane. The space between the presynaptic and postsynaptic membrane is called the synaptic cleft. These three structures together form the synapse.
Explanation:
Any substance that occupies space and has mass is matter.