Answer:
observe the feeding behaviors of gulls
Explanation:
other three options are not biological ones
Produce eggs (ova)
Have sexual intercourse
Protect and nourish the fertilized egg until it's fully developed (pregnant)
Give birth
Traditionally, energy crops are used for ethanol production thanks to yeast cultures. But, cyanobacteria can naturally ferment alcohol, such as isobutanol, without the need of yeast cultures. Also, cyanobacteria have a fast life cycle, so it can be produced great amounts of isobutanol for a short period of time.
Yes, they r very small indeed
free points haha