Select the true statements concerning tracheids. Check All That Apply Tracheids are responsible for anchoring the plant to a substrate. Tracheids are responsible for anchoring the plant to a substrate. Pterophytes lack tracheids but have euphylls. Pterophytes lack tracheids but have euphylls. Without tracheids, colonization of land would not have been possible. Without tracheids, colonization of land would not have been possible. All of the large dominant extant land plants are tracheophytes. All of the large dominant extant land plants are tracheophytes. Tracheids allow for efficient transport of water over longer distances. Tracheids allow for efficient transport of water over longer distances.

Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.