Answer:Scientists once believed that all theropods were carnivores. However, recent research showed that some theropods evolved to eat plants. The fossil indicates that the new species of dinosaurs evolved to eat plants earlier than some of the other theropods. So, this new species may help scientists piece together an evolutionary lineage of theropods that ate plants.
Explanation:
this is the edmentum answer so i suggest u reword it oki hope this helps and have a great life
Answer:
The correct answer is option B.
Explanation:
MHC or The major histocompatibility complex is a series of genes that have information and rise to cell surface proteins required for the adaptive immune system to recognize the pathogen or the foreign molecules, There are three classes of MHC - MHC1, MHC2, and MHC3.
MHC class II generally present only on antigen-presenting cells such as single nuclear phagocytes, dendritic cells, thymic and B cells.
Thus, the correct answer is option B.
<span>The answer is D. Example
of such a relationship is that of a tick and a cow. The tick is the
ectoparasite while the cow is the host.
The tick benefits by sucking blood from the cow while the cow is disadvantaged since it is losing some of its
blood and also the tick is a vector of disease</span>
I'm not completely sure, but I'm fairly certain that the answer is B.
