The coral reefs are found on southern parts where it’s warm. The coral reefs require the following things.
Light
Depth
Water temperature
Salinity
Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to these organisms and the toxins they produce. Infectious disease, also known as transmissible disease or communicable disease, is illness resulting from an infection.
Answer:
The penguins are geographically close to each other
The penguins have similar amino acid sequences for Cytochrome B
The penguins look somewhat like each other
Explanation:
Both King penguin and Emperor penguin are closely related to each other because both lives on the same geographical location which is Antarctica. Both King penguin and Emperor penguin have similar amino acid sequences for Cytochrome B due to belongs from the common ancestor. Both King penguin and Emperor penguin have similar appearance and look very similar to each other with some differences in their shape which make them different species.
Chapter nine,section 5 in your textbook page 149