O2 (oxygen) is a covalent compound
A: Viruses, Prokaryotic, and eukaryotic cell all have dna as their genetic material
B) Meiosis
Meiosis<span> is the process involved in the production of pollen or male sex </span>cells<span> in an angiosperm flower.</span>
Explanation:
As The Cell To Divide The Cell Make a Copy that make an Chromosome
The Chromosome are Called Sister Chromatids . The Sister are identical to the one another and are attracted to each other by Proteins Called Cohesins
<span>ecosystems
</span>An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system. <span> </span>