Answer:
A) Cause disease
B) Cause algal blooms
Explanation:
A - Protists may look helpless, but they are deadly. Since they cause disease and even death in living things—including us humans.
B - Algal blooms are basically protists but with chloroplasts, so they are also a part of protists being harmful.
Answer:
B.
Explanation:
Because if they have traces of RNA in them, then it might be the first genetic material
There are many reasons why it is important to monitor the environmental parameters. The activities of the humans had a great impact on the environment. Through monitoring, we will be able to understand and learn the factors that affect the environment and how to minimize it.
Answer:
The correct answer is option A. "directional selection".
Explanation:
Directional selection is a type of natural selection at which traits with extreme characteristics are selected over traits with medium characteristics. In this case, a long-term climatic change resulted in all seeds that are the fountain of food for finch becoming hard. This will result in a directional selection on bill size in the finch population, where large-billed birds will be selected over small and medium-billed birds.
