What do you mean <span>It has been observed that certain species of insects which had not previously caused significant harm have become serious pests. the best explanation for this phenomenon is that the pesticide killed off predators which had previously held this species in check. a mutation occurred in the species. the pesticide increased the vigor of the species. was able to be used by the pest as an additional food source is also a reproductive for some insect species. </span><span />
I believe it is K or rather potassium
Answer: north Austria have very dry summers and the winters are cooler and drier
Explanation:
Answer:
When the pollen tube grows into the ovule
Explanation:
Simmilar to animals, fertilization occurs when the egg (ovule) and the sperm join together to produce a new individual. In flowers, when the pollen tube grows into the ovlue is when pollen and ovule join together and fertilization occurs. A new seed is the produced, ready to produce a new individual.
Answer:
Oxygen (O) , Carbon (C) , Hydrogen (H) , Calcium (Ca) , Iron (Fe) , Sodium (Na) , Iodine (I) , Magnesium (Mg) , Selenium (Se)
