Answer:
made of nucleotides
Explanation:
They are the basic building blocks of DNA and mRNA.
Even though amoeba, paramecium, and spirogyra are quite different, they are all often classified in the same group, Protista because this group holds various types of eukaryotic organisms that are heterotrophic and unicellular.
This type of classification is not based on evolutionary and genetic similarities, but only on the properties of being unicellular, so there are many vastly different organisms in this group.
The both have 8 arms, the squid has an extra 2 tentacles though.
the . answer to this question is b They had food sources that were low to the ground
The most important functions of the complement system are to alter microbial cell membranes and A. initiate an inflammatory response. The complement system is a part of the innate immune system, that is, the system is not adaptable and does not make alterations to the involved proteins over the life time of an individual. The complement system however enhances the functioning of the adaptive immune system by producing cytokines that overwhelm its response.
