<h2>
<em><u>Climate is an important environmental influence on ecosystems. Changing climate affects ecosystems in a variety of ways. For instance, warming may force species to migrate to higher latitudes or higher elevations where temperatures are more conducive to their survival.</u></em></h2>
<em><u>give </u></em><em><u>thank </u></em><em><u>to </u></em><em><u>me </u></em>
The first one is option 2 but I'm not sure however the second one is the last option.
organisms descended from more than one ancestor since algae has association with multiple other organism.
Explanation:
A, red flowers. Capital R masks the lowercase r because it is dominant