Which characteristic describes the digestive system of the bird but not the cnidarian?

A. Food particles are absorbed into the body by diffusion.
B. The digestive cavity carries both food and wastes.
C. Materials travel in one direction only through the digestive cavity.
D. Specialized cells and tissues aid in digestion.

How does friction with the atmosphere affect the speed of an artificial satellite

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.