C. Radiation and chemotherapy can kill healthy cells
Explanation: radiation causes every cell around where it is put, to die, including healthy. Chemo and radiation don’t know the difference between healthy and unhealthy
Answer:
stromatolites
Explanation:
Stromatolites or stromatoliths are layered mounds, columns, and sheet-like sedimentary rocks that were originally formed by the growth of layer upon layer of cyanobacteria, a single-celled photosynthesizing microbe. Fossilized stromatolites provide records of ancient life on Earth.
The oxygen that we are all taught is a product of photosynthesis comes from what?
Answer:
Splitting of water to replace chlorophyll electrons.
Answer:
Forest ecosystem or marine ecosystem.
Explanation:
Forest ecosystem is considered for his report because large number of organisms are present in forest ecosystem. Species diversity is greatest in the geographical location of tropics, particularly in tropical forests. Marine ecosystem is also considered for his report due to the presence of large number of different types of species particularly in coral reef which is a habitat of large number of organism.
