Answer: A Stimulus is any change either internal or external which leads to a response. This could be a noise, smell or the changes in blood sugar level.
Explanation:
Answer:
Eukaryotic cells probably evolved about 2 billion years ago. Their evolution is explained by endosymbiotic theory. Mitochondria and chloroplasts evolved from prokaryotic organisms. Eukaryotic cells would go on to evolve into the diversity of eukaryotes we know today.
Hope this helps.
Explanation:
Paleogeography is the ancient geographic setting<span> of an </span><span>area</span>
This case of mistaken identity called imprinting. The best-known form of imprinting is filial imprinting, in
which a young animal acquires several of its behavioral characteristics from
its parent. It is most obvious in nidifugous birds, which imprint on their
parents and then follow them around.
Solar energy is a form of renewable energy, namely energy that cannot be depleted. Other forms of energy like carbon based sources of energy cannot be renewed in a reasonable span after being used (forests take time to grow and oil is created in geological timescales). Joe is trying to deal with the phenomenon of resource depletion. The way he goes about it is making a renewable source of energy more efficient and usable.
