Answer:
<em>Animalia is a kingdom which has different phyla. There are thirty six phyla in animal kingdom but nine are the major ones and they are – </em><em>Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata and Chordata. </em>
Explanation:
The organisms are classified on the basis of complexity. The complexity increases with increase in the mentioned phyla.
Humans are the most complex organism that perform several functions. The least evolved phyla is porifera and the most evolved phyla is chordata.
Answer:
Yes, photosynthesis is a chemical change
Explanation:
Photosynthesis is the process through which plants convert light energy into chemical energy. Here is the chemical reaction involved: water and carbon dioxide combine to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change.
Answer: 22 days, after 3 full weeks
Explanation:
the excretory system. the kidney produce more concentrated urine so less water is lost from the body. sweat help maintain your body's natural temperature.