The first cells were formed 750 million years ago.
Answer:
to attract pollinators
Explanation:
The role of structure A is to attract pollinators. Pollinators are the organisms which helps in the pollination of flowers. These organisms gets nectar from the flower. During their contact with flower pollens are attached to their body and when they moves to another flower these pollens falls on the carpel of the flower and as a result pollination occurs that leads to formation of seed.
Answer;
The best phrase will be;
<span>Neither benefits nor is harmed
</span>
Explanation;
Commensalism is a type of relationship where organisms of two species in which one species obtains food or other benefits from the other without harming it.
Commensal is the organism that benefits from the relationship or association.
Because as trials go on scientists discover more information and alter the theories and that is why they are referred to as a "theory" instead of a scientific "law"
Answer:
should be "3. is used by airplane"
