Trees produce many materials but also contribute to the environment by producing oxygen, preserving water and soil, helping air quality, and supporting wildlife. they feed millions humans every year as well.
Answer:
1.Cells are smallest unit of life.
2.Cells are important to the structure and function of living beings.
3.All organisms are made up of multiple cells.
Answer: If crossing over did not occur during meiosis, there would be less genetic variation within a species. ... Also the species could die out due to disease and any immunity gained will die with the individual. Two types of gametes are possible when following genes on the same chromosomes. If crossing over does not occur, the products are parental gametes. If crossing over occurs, the products are recombinant gametes.
Explanation:
Explanation:
this is mainly because when water evaporates, it leaves behind minerals, and even pollutants and goes up as clean water
Answer:
nucleus is the answer your welcome
