Answer:
Explanation:Toxic materials e.g synthetics
They become even more toxic as they are converted to more toxic products by reaction with other substances or by metabolism of microorganism
Answer: Your friend has suffered a Second Degree burn.
The ectotherms include the fishes,amphibians, reptiles,and invertebrates.
Answer:
Chordates
Explanation:
Chordates (phylum Chordata) include the vertebrates, together with several closely related invertebrates.
Random fertilization<span> adds to the </span>genetic variation<span> by </span>random<span> fusion of </span>genetically unique gametes.The fusion of two haploid gametes results in the formation of a diploid zygote. <span>This zygote can then divide by mitosis and differentiate to form a developing embryo.</span>