Answer: the physical changes that occur in the body as sexual development reaches its peak
Explanation:
Puberty refers to the transition of a child into an adult. It is characterized by several physical changes induced mainly by hormones. These changes include:
- deep voice in males; high pitch voice in females
- growth of pubic hairs in males and females
- presence of thicker skin in males; delicate and lighter skin in females
- emergence of breast in females, broad chest in males etc
What this student is doing is collecting data. So, he wants to check how many life forms there are in the waters nearby. In order to do so, he has to take a sample, and look at it through a microscope so as to determine the number. So, he collected a sample which is his data. He is not drawing conclusions yet, but rather counting these organisms. He is not making a peer review - his peers aren't even mentioned here. He is not forming a hypothesis because he is just counting at this point.
Answer:
Mushrooms and plants all need energy to grow. But the sources of their energy differs.
Explanation:
Sun is the ultimate source of energy for any living organisms to grow and make their food. While plants takes energy from the sun directly and make their food, while the mushrooms which is not a plant does not take energy from the sun directly.
Mushrooms utilizes the energies which is collected by the different organism which collects their energy from the sun such as organisms like the bacteria and plants. Mushrooms grow well in darkness as darkness helps to retain moisture. Mushrooms does not have chlorophyll to make food.
Plants have chlorophyll. And they direct absorb energy from the sun light to make their own food.
Nucleic acids. They contain a phosphate base and a nitrogen group.
Each on diverged from the common ancestor and has its own accumulated mutations. If they have six differences each it would be 10,000 years per one mistake giving you a total of 60,000 years ago.
