Plants play a crucial role in carbon cycle because they?
Allow
Carbon to enter the ecosystem through photosynthesis
How are humans affecting the balance of carbon in the atmosphere
Burning fossil fuels has increased
Where would an ecologist be least likely to go study primary succession?
a place that already has a ecosystem
What kind of natural disaster helps some forest communities by allowing some trees to release their seeds by cleaning away deadwood and by encouraging new growth?
A fire
Answer:
Genetic, geographic & cultural factors that cause sickle-cell anemia. It is important to note that even genetic diseases are caused by multiple social, environmental and biological factors. This is particularly true in the case of sickle-cell anemia, a genetically inherited blood disorder usually found in people with West African ancestry (PBS 2001).
The circulatory system - hemoglobin in the blood transports oxygen :)
It triggered tsunamis and landslides
Answer:
cell growth and manipulation
Explanation:
The nucleus of the cell controls cell growth and manipulation. This involves regulating gene expression, initiating cellular reproduction, and storing genetic material necessary for all of these tasks. In order for a nucleus to carry out important reproductive roles and other cell activities, it needs proteins and ribosomes.