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Why must there be variations in the population in order for natural selection to occur?
Natural selection works via a simple mechanism: certain organisms, though mutation, will be better-equipped for survival than others of their species. Over time, the better-adapted organisms will have a higher survival rate and, through interbreeding and simply outliving the competition, will eventually replace them. If there was no variation (mutation) in the population, there would be no better-adapted individuals, and no change. This has been the case with some species. Alligators, for example, have been around virtually unchanged (except for size) for nearly 100 million years. They are well-adapted adapted for survival in their environment as it is, and thus there is really no need for improvements that would lead to major evolutionary change.
Why is mitosis essential to an organism's survival?
Mitosis is essential for an organism's survival because it is the process by which cells divide and multiply to repair tissues, help with growth, and replace old or damaged cells. Without mitosis, organisms would not be able to generate new cells necessary for their survival and development.
All of these terms EXCEPT contribute to natural selection?
Genetic drift, as it is a random process that does not necessarily contribute to the differential survival and reproduction of individuals. Variation, heritability, and differential reproductive success are essential components of natural selection.
Are organelles independent life forms in humans?
No, organelles are not independent life forms in humans. They are specialized structures within cells that carry out specific functions necessary for cell survival. Each organelle works together to maintain the cell's overall function and is dependent on the cell for survival.
Can you increase the size of your erection?
There are no proven penis enlargement methods except for surgery.
Is corn a vascular or nonvascular plant?
Corn is a vascular plant. Everything is vascular, except liverworts and mosses.
Marine iguanas are physically adapted to life in the ocean by all the following except?
the gills
What plants are in deserts?
The only true ice desert is Antarctica and no plants grow there except for a few nonvascular plants that survive along the coast where there is no ice and somewhat milder conditions.
Why must there be variations in the population in order for natural selection to occur?
Natural selection works via a simple mechanism: certain organisms, though mutation, will be better-equipped for survival than others of their species. Over time, the better-adapted organisms will have a higher survival rate and, through interbreeding and simply outliving the competition, will eventually replace them. If there was no variation (mutation) in the population, there would be no better-adapted individuals, and no change. This has been the case with some species. Alligators, for example, have been around virtually unchanged (except for size) for nearly 100 million years. They are well-adapted adapted for survival in their environment as it is, and thus there is really no need for improvements that would lead to major evolutionary change.
Why is mitosis is essential to an organisms survival?
It isn't ... except for those minority organisms that depend on sex to reproduce.
How big are the igloos in Antarctica?
There are no igloos in Antarctica, except those built by people in need of survival shelter because of being caught away from their research station unexpectedly.There are no igloos in Antarctica, except those built by people in need of survival shelter because of being caught away from their research station unexpectedly.
What production methods did Pablo Picasso use?
Every method you can think of, except marble sculpture.
Can you gain penis size after 32 yrs?
There are no proven methods to increase your penis size except for surgery.
All what re primary delivery methods for spreading biological agents except?
Ground burst warheads
What continent did age stone people live on?
The people from the Stone Age lived on every continent around the world, including Europe, Africa, Asia, Australia, and the Americas. They adapted to their environments and developed different tools and techniques for survival.
Colonists in both the North and the South established differences in all what areas except?
The North and South established many difference except in the economy. Both sides continued to rely heavily on agriculture for survival.
What do gray wolves eat to survive?
Most of the foods they usually eat, except for a matter of only sheer survival will they eat livestock.
