All of the choices are correct.
Explanation:
Viruses are non cellular entities which are made up of either a DNA or RNA enclosed within a protein coat.
Viruses cannot reproduce by themselves. They can reproduce only within living cells and hence they are obligate intracellular parasites.
Viruses have a wide range of hosts including animals, plants, bacteria etc.
However, each viral species has a very limited host range.
Answer:
Explanation:
a.) is chemical because know the sugar and water are fused together and the chemical com-bond changed
b.) physical, because they will not mix
Origins of life number 4 is living beings
<span>Gametophyte stage is the stage in the life cycle of the plants where the changes happen in the generations which are basically a sexual phase in the plant's life. So the haploid Gametophyte stage produces gametes (eggs and sperm) by mitosis. The spores produced from the meiosis grow into gametophyte which goes through mitosis to attain the above mentioned alterations.</span>
