Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Rich in protein and nutrients, insects abundant group of organisms is being touted as an important human dietary source.
Rich in protein and nutrients, what abundant group of organisms is being touted as an important human dietary source?

Ectothermic vertebrates control body temperature to just a limited extent from the outside by changing behavior.
What type of vertebrates control body temperature to just a limited extent from the outside by changing behavior?

The sun is directly over the equator during.
When is the sun directly over the equator?