You eat corn on the cob (the ear). which statement is true?

a. you have consumed haploid, diploid, and triploid tissue
b. you have consumed embryos and endosperm
c. you have consumed seeds containing gametophytes
d. all of the above
e. none of the above

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Discuss cell surface transport in the structure of constituents

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions