A chemical substance that an organism requires to live. a nutrient that is scarce or cycles slowly through an ecosystem. ensures that nutrients will be circulated throughout the biosphere.
Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
Answer:
Selective breeding.
Explanation:
Sorry thats the only one i can think of. BTW have u watched lucky star.
I love anime.
Answer:
Im pretty sure the correct answer would be the way it is listed.
100 Bushes, 50 Zebras, and 10 Lions.
Explanation:
Only 10 lions because they are at the top of the food chain, and 100 bushes because they are at the bottom.
I hope this helps :)
Es un saco con paredes finas que rodea al feto durante el embarazo. El saco contiene líquido amniótico (líquido producido por el feto) y el amnios (membrana que cubre el lado fetal de la placenta), que proteje al feto de lesiones y ayuda a regular su temperatura.
