A DNA molecule is like a ladder because there are two sides (the sugar-phosphate backbones of the two strands) and rungs (each rung being a pair of complementary bases). Twisted, because the molecule is twined in a coil called a helix - or rather, a double helix because there are two strands.
Answer:
Many scientists agree that the average temperature on Earth is increasing. What does this mean for the water cycle? Rising temperatures mean an increase in evaporation. This leads to an increase in condensation in the atmosphere.
Explanation:
Cloning is bad because
It is bad for animals
It can cause defects
It can cause possible radiation.
Genetic enginering is bad because
It can cause cancer
It can cause antibiotic resistance
It can produce new toxins
Artificial selection is bad because
There can be unanticipated consequences of encouraging a specific trait.
It lessens the amount of variation that exists in a gene pool.
The quality of life is often reduced through artificial selection.
The answer to this question is Detritus!
1. All the energy in this pyramid came from the sun because all the producers at the bottom of the pyramid get their energy from the sun.
2. The level with the most organisms would be the bottom level.
3. The least amount of energy is found at the top of the pyramid since 90% of the energy is not passed on.
4. The other 90% of the energy from the producer is unusable to the organism