Answer: A. Chemical signal
Explanation:
Chemical signal is the type of communication which coordinates actions between neighboring cells
.
This ability originated in single cells organisms and was essential for the evolution of multicellular organisms because after a cell receives a message, it is transferred across the plasma membrane and changes are brought about within the cell in response to this message.
I was able to find 10 endangered species. And they are:
Kings Gold its a plant.
Delta Smelt its a fish
Amargosa vole it is a critter either a rat or a mouse.
Tricolored blackbird it is a type of a song bird.
Buena Vista Lake ornate shrew it is a type of mouse or rat
Desert Slender Salamande it is a reptile. type of lizard
Lange's metalmark butterfly
Sacramento river winter-run Chinook salmon it is a type of fish
California condor it is a type of bird
Gray wolf
Hope this helped
What it eats, what weather it's build for and DNA
Answer:
Fossil Evidence and Structural evidence proves to support the theory of evolution because fossil evidence shows how animals looked like a few hundreds to thousands of years ago, and structural evidence shows how an animal can change from a land creature to a sea creator such as a whale starting from Indohyus to becoming a whale as it is now.
Read more on Brainly.com - brainly.com/question/11887816#readmore
Explanation:
C. <span>The duodenum is a separate anatomic structure. It is the first part of the small intestine after the stomach. </span>
