The plants were providing the necessary oxygen for the animals to breathe and the animals were serving as an aide in photosynthesis for the plants by producing carbon dioxide.
Answer:
The crabs with white shells. The next generation of crabs will be white shelled.
Explanation:
The crabs with white shells are more likely to survive because they blend in with the white sand more than the ones with brown shells making it easier to hide from predators and also makes it a desired trait.
Your answer is c, cell membrane. I hope I could help xD
Have a wonderful rest of the day.
Researchers aboard Alvin discovered the presence of hydrothermal vents on the ocean floor.
Answer:
mucus
Explanation:
I have no idea I got it online from somebody's quizlet.
