Answer:
If a plant's leaves only contained the vascular tissue xylem, then it will not be possible for the plant to absorb carbon dioxide. As carbon dioxide is required for photosynthesis to occur, this means that the process of photosynthesis will not take place. As a result, the plant will not be able to produce food as photosynthesis is the process by which plants make food. This will result in the plant to die eventually in the end due to lack of food.
Hey there! Here is your answer: Horseshoe crab is considered living fossils because they have existed unchanged for about 445 million years. They are usually not crab; they are not closely related to lobsters or crab. ... Horseshoe crab looks is almost the same with their ancient relatives despite the fact that they have been around for so long. I hope this helped! Your fellow Brainly user, GalaxyGamingKitty. (THE FOLLOWING INFORMATION HAS BEEN USED FROM GOOGLE)
Answer:
carbon dioxide and oxygen
Explanation:
Carbon dioxide is the waste product of cellular respiration that you breathe out each time you breathe. Blood picks up oxygen and releases carbon dioxide in the lungs. The opposite takes place in the cells where the blood releases oxygen and picks up carbon dioxide.
