La biogénesis es el proceso fundamental de los seres vivos que producen otros seres vivos. Ejemplo: una araña pone huevos de los que saldrán más arañas. La biogénesis es aquel principio según el cual la vida solamente se origina de una vida preexistente (que ha existido antes).
To survive natural selection, one must be fit and be able to adapt to the environment and situations, thus why it's called survival of the fittest.
Answer:
Forest ecosystem or marine ecosystem.
Explanation:
Forest ecosystem is considered for his report because large number of organisms are present in forest ecosystem. Species diversity is greatest in the geographical location of tropics, particularly in tropical forests. Marine ecosystem is also considered for his report due to the presence of large number of different types of species particularly in coral reef which is a habitat of large number of organism.
in metaphase the chromosomes are lined up on the spindle fibres across the middle of the cell. and during anaphase the chromosome copied are separated and moved to either end of the cell on the spindle fibres. basically the chromosomes are in different positions