Answer:
B. Gametophytes of seedless vascular plants
Populations
communities
ecosystem
biosphere
Water reacting with nitrogen gas i think, since it doesn’t actually react
Answer:
Arteries have thick walls composed of three distinct layers (tunica) Veins have thin walls but typically have wider lumen (lumen size may vary depending on specific artery or vein) Capillaries are very small and will not be easily detected under the same magnification as arteries and veins.
Explanation:
Answer:
a
Explanation:
its talks about the difference
