The effect of human activity on the amount of carbon stored in sinks is that humans are pulling out the carbon and burning it at a fast pace through activities like mining. The has greatly contributed to the effects such as global warming. I therefore, think that humans are supposed to seek for alternate sources of energy to prevent these effects of global warming.
A cell wall and chloroplast can not be found in a animal cell.
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After fertilization of the ovule, the megaspore develops into the food supply of the mature seed.
After fertilization of the ovule, the <em />integument develops into the seed coat.
After fertilization of the ovule, the fertilized egg develops into the embryo of the mature seed.
The ovule contains the female reproductive cells of the seed plants and when fertilized, it produces the seed. Ovules contain megasporocytes, cells that produce megaspores through cell division. An integument is a layer that protects and surrounds the ovule. After fertilization, the integument protects and surrounds the seed. After fertilization, the ovule contains a diploid zygote which develops into an embryo.
Answer:
B. Brain and spinal cord
Explanation:
because we need both in order to survive and work properly.
