<span>Australopithecines have been found in both the Southern and Eastern parts of Africa. These areas exhibit unique geological conditions that have allowed fossils to be preserved for millions of years. These regions are South Africa in the Limestone caves and in Eastern Africa the sedimentary basins and the river drainage systems.</span>
Because evolution itself is a very slow process. Having said that, the chance of having a continuum of various animals would mean that evolution would have progressed very fast. Because evolution is slow, different species establish themselves for different ecological niches and environments, this enables them to become better through time at a certain environment which then leads to eventual diversification in the number of species.
Answer: True
Explanation:
The neuron has leak channels in the cell body, axon and dendrite and cell body. This is because the trans membrane potential exists in all parts of the cell membrane.
Because of this reason the the leak channels are available at each part of the neuron.
The action potential, trans membrane potential should exits in all the parts of the cell so it should be located in all the parts of cell.
50% probability that a human sperm cell will carry an X chromosome
Answer:
Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via specific transmembrane integral proteins.
Explanation:
From Wikipedia
