15. a very important concept of succession is facilitation, where the successes of one community type change the environment gradually so as to not favor their own (or their children's) continued dominance, but rather favor the success of some new, different community members. why do you think organisms would facilitate the success of other organisms when it would be at the expense of their own success?

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

answer: oof wait

explanation: