2. The advantages of vascular tissue over nonvascular tissue are evident in

a. whether organisms have alternation of generations
b. an organism's size and complexity
c. the number of individual offspring produced by each organism
d. all of the above
B?

3. The typical vascular plant sporophyte
a. includes the developing embryo
b. has roots, shoots, and meistems
c. has specialized tissues that develop into conducting vessels
d. both b and c
D?

5. More than 70 percent of the world's cultivated farmland is used for growing __________ rich in _______________.
a. fruits; carbohydrates and fiber
b. roots; starch
c. grains; carbohydrates and fiber
d. legumes; protein
Not sure...

Thanks
-MC

5 is c.

And the other two? Are they correct?

-MC

yes.

For question 2, the advantages of vascular tissue over nonvascular tissue are evident in an organism's size and complexity (option b). To understand this, let's break down the answer choices:

a. Whether organisms have alternation of generations: The alternation of generations refers to the life cycle pattern of some organisms, where they alternate between a multicellular haploid (n) gametophyte stage and a multicellular diploid (2n) sporophyte stage. While the presence or absence of alternation of generations may be influenced by vascular tissue, it is not directly related to the advantages of vascular tissue.

b. An organism's size and complexity: Vascular tissue allows plants to transport water, nutrients, and sugars over long distances, which enables larger and more complex plant structures. This is because vascular tissue, including xylem and phloem, provides support for the plant, helps in the distribution of resources, and aids in the overall functioning of the plant.

c. The number of individual offspring produced by each organism: The advantages of vascular tissue are not directly related to the number of offspring an organism produces, so this option is not correct.

d. All of the above: This option combines all the previous options. While alternation of generations and the number of offspring produced may have some relationship with vascular tissue, the primary advantage of vascular tissue lies in an organism's size and complexity. So, the correct answer is b. An organism's size and complexity.

For question 3, the typical vascular plant sporophyte includes not only the developing embryo (option a), but it also has roots, shoots, and meristems (option b). Additionally, it has specialized tissues that develop into conducting vessels (option c). Combining options b and c, we get that the sporophyte includes roots, shoots, and meristems, as well as specialized tissues that develop into conducting vessels. Therefore, option d, both b and c, is correct for question 3.

For question 5, more than 70 percent of the world's cultivated farmland is used for growing grains rich in carbohydrates and fiber (option c). This is because grains, such as rice, wheat, corn, etc., are staple food crops that are high in carbohydrates and fiber. Therefore, the correct answer for question 5 is c. grains; carbohydrates and fiber.

Hope this helps! Let me know if you have any further questions.