Answer:
C
Explanation:
The reason for this is due to the process of elimination. I know the others have a better chance of being wrong. Also as someone currently going through that I'd hope it'd be correct lol :]
Answer:
Decrease in carbon dioxide because they take in carbon dioxide for photosyenthesis process
Explanation:
Proteins that tag pathogens for destruction by immune cells are called Antigens.
Answer:
While all crocodiles, tuataras and most squamates (a clade consisting of snakes, lizards and amphisbaenians) have teeth, all living birds and turtles possess toothless beaks for mouths. Technically called rhamphothecae, their beaks are built from
The spines of the cactus have several functions, which are the following:
To defend them from possible predators: inside the body of the plants there is a great deal of water; if herbivores could access it, these plants would not survive.
To provide them with shade: it is true that not much, but it is enough so that the loss of water by evaporation is minimal.
Reflect sunlight: many species have white spines.