These alternative genes are called alleles
Answer;
-Hot desert biome
Explanation;
Hot Desert is characterized by very little rainfall or a lot of rain in a very short period. The soils are often salty because minerals do not get washed away. Thus, the climate is characterized by a very little precipitation.
-Plant adaptations: There are few plant species. these plants are adapted to resist drought and store water. For example; Spiny cacti that have thick, fleshy stems that conserve water are common. Their roots extend metres away from the plant to absorb water. Other plants have small, thick, waxy leaves that also store water. Many plants have spines or produce chemicals that protect them from being eaten.
She was suffering from cervical cancer when cells were first taken from henrietta lacks. While she was being treated for cancer many years ago her cells were taken and have been cultured in the laboratory ever since. She was never communicated that her cells were being taken and neither she nor her family has stood recompensed.
Rebound means <span>bounce back through the air after hitting a hard surface or object</span>
The oldest layers are on the bottom thats why they are the oldest. Super position is what it is called if thats what your asking.