Amount of rainfall
I’m not sure if this is right but I think it is because all of the rest are major parts of ecosystems, and although rainfall is too, it’s more of a natural source that happens anywhere whereas the rest of the options may determine the ecosystem
Crustaceans Insects <span>Arachnids belongs to phylum arthopoda and insects have both wings and antennae whereas crustaciens like crab shrimps have no wings but antennae and archanids have none of them
</span>so correct option for statment
<span>The species of which of these groups show neither wings nor antennae is
C
hope it helps</span>
I believe it’s b but correct me if I’m wrong
When skeletal remains of microscopic organisms make up more than 30% of the sediment, it is called "ooze." ... Calcareous ooze, the most abundant of all biogenous sediments, comes from organisms whose shells (also called tests) are calcium-based, such as those of foraminifera, a type of zooplankton