During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote.
look up in ur book meiosis which will explain more
Answer:
Proteins is a macromolecule that helps to send signals
"Zooplankton" is the one among the following choices given in the question that is the primary consumer. This conclusion can be drawn from the picture attached with this question. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.