Answer: I hope this helps: Some physical properties change, but the substance keeps its identity.
Explanation:
In 1969, Whittaker proposed moving the prokaryotes <span>from the kingdom plantae to a separate kingdom due to structural and metabolic differences.
His proposal of five kingdoms included:
1. kingdom monera (blue green algae)
2. kingdom protista (protozoans)
3. kingdom fungi (yeast, molds, mushrooms)
4. kingdom plantae (algae, eukaryotes...)
5. kingdom animalia </span>
Answer is D. Enzymes are a catalyst that speed up the rate of Rx
James D Watson and Francis Crick
Answer:
After fertilization, the zygote begins to divide rapidly. Twenty-four hours after fertilization, the zygote contains two cells, and three days after fertilization the zygote has 16 cells and is called a morula. The cells continue to divide and form a hollow bundle called a blastocyst
Explanation: