Answer:
sporopollenin
While the exine is composed of sporopollenin, a complex and highly resistant biopolymer containing fatty acids, phenylpropanoids, phenolics and carotenoids, the intine is largely composed of pectin and cellulose.
Explanation:
I don’t know any famous ecologists but I know their knowledge impacts us today because we wouldn’t know that much about how and why life forms interact with their habitats
The reactants are like a key that fits into the enzyme forming the lock
Answer:
How Does the Immune System Work?
Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection. ...
Adaptive immunity: Adaptive (or active) immunity develops throughout our lives. ...
Passive immunity: Passive immunity is "borrowed" from another source and it lasts for a short time.
Because its decayed organisms. So all the nutrients from that decayed organism goes into the soil and makes it rich with nutrients.