Answer:
16. a, research
Explanation:
you should form your hypothesis on research because based on what you researched is what will help you try predict the outcome of the experiment
Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
<span>B. The have been Earth's only hominine for the last 24,000 years.
After the unknown eradication of the Homo Neanderthals, Homo Sapiens became the only homonine for the last 24,000 years. That is to say, that modern humans are the result of the evolution of homo sapiens to homo sapiens sapiens.</span>