Evidence for evolution, in other words evidence of common descent, include fossils, which have shown a (fairly) steady change in morphology over time for some species. An example would be horse hooves: we have fossils that show when they were still three toed, then two toed, then one toe in our present day horses. Another piece of evidence is vestigial organs. An example of vestigial organs is wings in some flightless birds, such as the kiwi. Their ancestors used it in order to fly across the marine barrier into New Zealand, but natural selection and random genetic drift made them quickly lose the ability to fly. Nonetheless, they still have their wings, however small. It can be assumed that eventually, their wings would be reduced to small stubs fused to other nearby bones, as has been observed in their cousins.
Answer:
Cell division is the process by which a parent cell divides into two or more daughter cells .
Explanation:
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The right answer is both of them.
Take the example of fatty acids, it is an aliphatic chain carboxylic acid composed of 4 to 36 carbon molecules. The more carbons (and therefore the CC and CH bonds), the more the fatty acid will be rich in energy since it will give more ATP during its catabolism, and it will also be less and less soluble in water because the carbon chain is hydrphobic.
Answer:
5.7 m/s
Explanation:
The computation of Sheila 's velocity right after she gets thrown out of the bike is shown below:
1) The Physical principle: conservation of momentum.
If there is no net external force operating on a system, so the system's total momentum is conserved
The momentum, p, is a vector magnitude that is determined as the product of the mass by the velocity:
P = mv.
2) Taking into account therefore that there is no net force on the device, Sheila and the momentum of the bike are the identical pre and post collision.
Based on this, the calculation is as follows
Momentum before the collision:
= 340 kg m/s
Now Momentum after the collision:
= 5.7 m/s
A cell wall builds protein without a membrane
