The second answer from the top
<span>The answer is ‘They
are evidence that all came from a common ancestor and that life changed over
time for all these organisms’. The individuals
of the ancestor population probably spread
out and became separated b geographical features
or behavioral modification. Over time, this caused
allopatric or/and sympatric speciation. However, these species still bear
homologous structures that show this common
ancestry. </span>
<h2>Answer:</h2>
To treat the discharge of untreated waste from a type i or type ii marine sanitation device the following steps should be taken into account;
The “Y” valve must be secured to prevent accidental illegal discharge. This can be done by placing a lock or non-reusable seal on the “Y” valve or by taking the handle off the “Y” valve. Only treated sewage from an approved MSD may be discharged directly overboard.
Answer:
~ D :)
The study of all the interactions between organisms and the living and nonliving components of their environment is
Ecology
Amphibia i think it is ... i hope this helps